SlideShare a Scribd company logo
1 of 3
Download to read offline
The Planet Pluto - What Makes This a Suspicious
Planet?

      A lot of people – children and adults alike, have always been fascinated with Pluto.
Even if it is trillions of miles away, many wondered what life would be if people lived in
that distant planet. My science teachers all described Pluto as the ninth planet of the solar
system. Most people take this fact for granted and went about their business.
Astronomers themselves were mystified by Pluto, but since space technologically was not
                                                 yet advanced in that time, they accepted it
                                                 as part of the solar system.

                                                     However, with the advent of
                                                powerful new ground and space-based
                                                observatories decades later, the winds of
                                                change has descended in the Astronomy
                                                community in which more than four
                                                hundred twenty-four astronomers voted to
                                                decide if Pluto is part of the family of
                                                planets – or a misfit. The vote was
                                                controversial because less than five
                                                percent of the world’s astronomers were
represented in the International Astronomical Union in Prague. Majority of them voted to
demote Pluto as a planet. According to them, there were discoveries that proved that
Pluto was actually a “dwarf planet”. Aside from the fact that it was too distant to be
reached by thorough observation, Pluto could not be classified as a terrestrial planet like
Mercury, Mars, Venus, and Earth or as a gas giant like Jupiter, Neptune and Saturn.
Moreover, it is made of ice and rock and there were recent discoveries of other moons
like Eris, which is made of the same properties like Pluto. It is even more massive than
Pluto that astronomers began to doubt on the concept on what defines the nine planets of
the solar system, so they decided to make certain rules on what is a planet. What doomed
Pluto was that majority of astronomers noted that it has low massive properties like Ceres
and Eris. In the end, they voted on a highly contentious decision by classifying Pluto (and
Eris) as “dwarf planets.”

     For these reasons, Pluto was relegated to a place in the Universe called "Kuiper
Belt." From being the smallest planet, it is now the second largest belt object of that
place. Many astronomers criticized the decision and are planning to appeal, but those
who voted for Pluto to be downgraded are unperturbed with their decision. For them,
their suspicions are justified because no space exploration was conducted because of it
great distance. Moreover, it has an eccentric orbit that was out of line with the eight other
planets. Although Pluto can orbit around the sun and has enough gravity to pull itself into
a spherical shape, astronomers came up with the argument that planets must be the
dominant gravitational body in their orbit. They must also interact, consume and sling
smaller objects away with their gravity which was not the case with Pluto.

      Notwithstanding it suspicious nature or the assessment of astronomers, Pluto is still
a fascinating planet to many people. Its remoteness and beauty is still a sight to behold
and it would not matter why Pluto was demoted. Who knows? Maybe one day,
astronomers may come up with more discoveries and bring back Pluto as part of our solar
system. For now, it will be lumped with other moons in a desolate place like the Kuiper
belt. Hopefully, significant discoveries about Pluto being a planet may change minds of
those who attended the International Astronomical Union in the future.

     The Reasons Why Pluto Was Demoted

     After years of hot debate, the unthinkable has happened. Pluto is no longer a planet,
which means there are only eight “official” planets in the solar system. Majority of the
424 astronomers who attended the International Astronomical Union, or roughly five
percent of the world’s astronomers voted to downgrade Pluto as a dwarf planet. The
                                           controversial decision was arrived at when the
                                           Union established three categories. First,
                                           planets need to orbit around the sun. Second,
                                           planets need enough gravity to pull themselves
                                           into spherical shapes. Lastly, they need to
                                           become the dominant gravitational bodies in
                                           their own orbits in the solar system.
                                               Pluto was able to fit into the first two
                                          categories, but since it was in the recently
discovered Kuiper Belt – wherein it is far smaller than objects like Eris (discovered in
2005 by Mike Brown), the cards began to fall. Since there were two or three objects that
were more massive than Pluto and were made of the same ice/rock mixture, it cast doubts
whether Pluto was the dominant body. To settle the problem astronomers decided to
make a definition of a planet in August 14 to 25, 2006 in Prague, Czech Republic. In the
end after much debate, Pluto was “demoted” as a dwarf planet, which was the new
classification given by astronomers. By virtue of the third ruling, most science textbooks
have to be revised and remove Pluto as a planet.
      Initially, there were proposals on how to preserve Pluto as a planet, but these were
roundly criticized. Even when the debates ended, the third ruling was deemed as
“flawed” because Jupiter has tens of thousands of asteroids that were not “cleared” yet,
same as Earth. It may take years for most people to accept this ruling, but the controversy
rages on. Moreover, Mars and Neptune have asteroids as their “neighbors.” Another
glaring point is that out of ten-thousand astronomers all over the world, only four-
hundred-twenty four voted. A group of dissenting astronomers have now passed a
petition in order to overturn the Union’s vote.
     The debates began in the late1990s on whether to demote Pluto or not. Mike
Brown’s discovery of the Kuiber belt fueled more discussions about Pluto, which led to
the International Astronomical Union vote in those fateful days in August. For some
people, like Mike Brown, Pluto’s demotion may not sit well with many people nor make
them excited. Nevertheless, it would make him look forward into educating people why
Pluto is not a planet. It is just a beginning of his journey.
      While people on Earth are still discussing this contentious issue, Pluto will wander
in its newly classified, desolate and dark world. It would not be lonely though because
Charon is at its side. Even if there are reasons for its demotion as a dwarf planet, it cannot
be denied that Pluto will always be a mysterious planet. The beauty of this celestial body
is that it is “eccentric” with its axis, has a bigger moon that is facing it, which makes both
look like a dumbbell and knocks on the door of Neptune once every twenty years. Until a
space probe reaches that place, Pluto will remain a beautiful speck in the sky. Stargazers
with enough luck to locate it and scientists who are using the Hubble telescope will
marvel at its haunting beauty.

More Related Content

Recently uploaded

Judging the Relevance and worth of ideas part 2.pptx
Judging the Relevance  and worth of ideas part 2.pptxJudging the Relevance  and worth of ideas part 2.pptx
Judging the Relevance and worth of ideas part 2.pptxSherlyMaeNeri
 
THEORIES OF ORGANIZATION-PUBLIC ADMINISTRATION
THEORIES OF ORGANIZATION-PUBLIC ADMINISTRATIONTHEORIES OF ORGANIZATION-PUBLIC ADMINISTRATION
THEORIES OF ORGANIZATION-PUBLIC ADMINISTRATIONHumphrey A Beña
 
How to Add Barcode on PDF Report in Odoo 17
How to Add Barcode on PDF Report in Odoo 17How to Add Barcode on PDF Report in Odoo 17
How to Add Barcode on PDF Report in Odoo 17Celine George
 
call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️
call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️
call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️9953056974 Low Rate Call Girls In Saket, Delhi NCR
 
ENGLISH6-Q4-W3.pptxqurter our high choom
ENGLISH6-Q4-W3.pptxqurter our high choomENGLISH6-Q4-W3.pptxqurter our high choom
ENGLISH6-Q4-W3.pptxqurter our high choomnelietumpap1
 
ACC 2024 Chronicles. Cardiology. Exam.pdf
ACC 2024 Chronicles. Cardiology. Exam.pdfACC 2024 Chronicles. Cardiology. Exam.pdf
ACC 2024 Chronicles. Cardiology. Exam.pdfSpandanaRallapalli
 
4.18.24 Movement Legacies, Reflection, and Review.pptx
4.18.24 Movement Legacies, Reflection, and Review.pptx4.18.24 Movement Legacies, Reflection, and Review.pptx
4.18.24 Movement Legacies, Reflection, and Review.pptxmary850239
 
Field Attribute Index Feature in Odoo 17
Field Attribute Index Feature in Odoo 17Field Attribute Index Feature in Odoo 17
Field Attribute Index Feature in Odoo 17Celine George
 
DATA STRUCTURE AND ALGORITHM for beginners
DATA STRUCTURE AND ALGORITHM for beginnersDATA STRUCTURE AND ALGORITHM for beginners
DATA STRUCTURE AND ALGORITHM for beginnersSabitha Banu
 
USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...
USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...
USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...Postal Advocate Inc.
 
Like-prefer-love -hate+verb+ing & silent letters & citizenship text.pdf
Like-prefer-love -hate+verb+ing & silent letters & citizenship text.pdfLike-prefer-love -hate+verb+ing & silent letters & citizenship text.pdf
Like-prefer-love -hate+verb+ing & silent letters & citizenship text.pdfMr Bounab Samir
 
Grade 9 Q4-MELC1-Active and Passive Voice.pptx
Grade 9 Q4-MELC1-Active and Passive Voice.pptxGrade 9 Q4-MELC1-Active and Passive Voice.pptx
Grade 9 Q4-MELC1-Active and Passive Voice.pptxChelloAnnAsuncion2
 
How to do quick user assign in kanban in Odoo 17 ERP
How to do quick user assign in kanban in Odoo 17 ERPHow to do quick user assign in kanban in Odoo 17 ERP
How to do quick user assign in kanban in Odoo 17 ERPCeline George
 
Influencing policy (training slides from Fast Track Impact)
Influencing policy (training slides from Fast Track Impact)Influencing policy (training slides from Fast Track Impact)
Influencing policy (training slides from Fast Track Impact)Mark Reed
 
INTRODUCTION TO CATHOLIC CHRISTOLOGY.pptx
INTRODUCTION TO CATHOLIC CHRISTOLOGY.pptxINTRODUCTION TO CATHOLIC CHRISTOLOGY.pptx
INTRODUCTION TO CATHOLIC CHRISTOLOGY.pptxHumphrey A Beña
 
Keynote by Prof. Wurzer at Nordex about IP-design
Keynote by Prof. Wurzer at Nordex about IP-designKeynote by Prof. Wurzer at Nordex about IP-design
Keynote by Prof. Wurzer at Nordex about IP-designMIPLM
 

Recently uploaded (20)

Judging the Relevance and worth of ideas part 2.pptx
Judging the Relevance  and worth of ideas part 2.pptxJudging the Relevance  and worth of ideas part 2.pptx
Judging the Relevance and worth of ideas part 2.pptx
 
THEORIES OF ORGANIZATION-PUBLIC ADMINISTRATION
THEORIES OF ORGANIZATION-PUBLIC ADMINISTRATIONTHEORIES OF ORGANIZATION-PUBLIC ADMINISTRATION
THEORIES OF ORGANIZATION-PUBLIC ADMINISTRATION
 
How to Add Barcode on PDF Report in Odoo 17
How to Add Barcode on PDF Report in Odoo 17How to Add Barcode on PDF Report in Odoo 17
How to Add Barcode on PDF Report in Odoo 17
 
call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️
call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️
call girls in Kamla Market (DELHI) 🔝 >༒9953330565🔝 genuine Escort Service 🔝✔️✔️
 
ENGLISH6-Q4-W3.pptxqurter our high choom
ENGLISH6-Q4-W3.pptxqurter our high choomENGLISH6-Q4-W3.pptxqurter our high choom
ENGLISH6-Q4-W3.pptxqurter our high choom
 
LEFT_ON_C'N_ PRELIMS_EL_DORADO_2024.pptx
LEFT_ON_C'N_ PRELIMS_EL_DORADO_2024.pptxLEFT_ON_C'N_ PRELIMS_EL_DORADO_2024.pptx
LEFT_ON_C'N_ PRELIMS_EL_DORADO_2024.pptx
 
YOUVE_GOT_EMAIL_PRELIMS_EL_DORADO_2024.pptx
YOUVE_GOT_EMAIL_PRELIMS_EL_DORADO_2024.pptxYOUVE_GOT_EMAIL_PRELIMS_EL_DORADO_2024.pptx
YOUVE_GOT_EMAIL_PRELIMS_EL_DORADO_2024.pptx
 
ACC 2024 Chronicles. Cardiology. Exam.pdf
ACC 2024 Chronicles. Cardiology. Exam.pdfACC 2024 Chronicles. Cardiology. Exam.pdf
ACC 2024 Chronicles. Cardiology. Exam.pdf
 
4.18.24 Movement Legacies, Reflection, and Review.pptx
4.18.24 Movement Legacies, Reflection, and Review.pptx4.18.24 Movement Legacies, Reflection, and Review.pptx
4.18.24 Movement Legacies, Reflection, and Review.pptx
 
Field Attribute Index Feature in Odoo 17
Field Attribute Index Feature in Odoo 17Field Attribute Index Feature in Odoo 17
Field Attribute Index Feature in Odoo 17
 
DATA STRUCTURE AND ALGORITHM for beginners
DATA STRUCTURE AND ALGORITHM for beginnersDATA STRUCTURE AND ALGORITHM for beginners
DATA STRUCTURE AND ALGORITHM for beginners
 
YOUVE GOT EMAIL_FINALS_EL_DORADO_2024.pptx
YOUVE GOT EMAIL_FINALS_EL_DORADO_2024.pptxYOUVE GOT EMAIL_FINALS_EL_DORADO_2024.pptx
YOUVE GOT EMAIL_FINALS_EL_DORADO_2024.pptx
 
USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...
USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...
USPS® Forced Meter Migration - How to Know if Your Postage Meter Will Soon be...
 
Model Call Girl in Tilak Nagar Delhi reach out to us at 🔝9953056974🔝
Model Call Girl in Tilak Nagar Delhi reach out to us at 🔝9953056974🔝Model Call Girl in Tilak Nagar Delhi reach out to us at 🔝9953056974🔝
Model Call Girl in Tilak Nagar Delhi reach out to us at 🔝9953056974🔝
 
Like-prefer-love -hate+verb+ing & silent letters & citizenship text.pdf
Like-prefer-love -hate+verb+ing & silent letters & citizenship text.pdfLike-prefer-love -hate+verb+ing & silent letters & citizenship text.pdf
Like-prefer-love -hate+verb+ing & silent letters & citizenship text.pdf
 
Grade 9 Q4-MELC1-Active and Passive Voice.pptx
Grade 9 Q4-MELC1-Active and Passive Voice.pptxGrade 9 Q4-MELC1-Active and Passive Voice.pptx
Grade 9 Q4-MELC1-Active and Passive Voice.pptx
 
How to do quick user assign in kanban in Odoo 17 ERP
How to do quick user assign in kanban in Odoo 17 ERPHow to do quick user assign in kanban in Odoo 17 ERP
How to do quick user assign in kanban in Odoo 17 ERP
 
Influencing policy (training slides from Fast Track Impact)
Influencing policy (training slides from Fast Track Impact)Influencing policy (training slides from Fast Track Impact)
Influencing policy (training slides from Fast Track Impact)
 
INTRODUCTION TO CATHOLIC CHRISTOLOGY.pptx
INTRODUCTION TO CATHOLIC CHRISTOLOGY.pptxINTRODUCTION TO CATHOLIC CHRISTOLOGY.pptx
INTRODUCTION TO CATHOLIC CHRISTOLOGY.pptx
 
Keynote by Prof. Wurzer at Nordex about IP-design
Keynote by Prof. Wurzer at Nordex about IP-designKeynote by Prof. Wurzer at Nordex about IP-design
Keynote by Prof. Wurzer at Nordex about IP-design
 

Featured

Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTExpeed Software
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsPixeldarts
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthThinkNow
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfmarketingartwork
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024Neil Kimberley
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)contently
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024Albert Qian
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsKurio // The Social Media Age(ncy)
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Search Engine Journal
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summarySpeakerHub
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next Tessa Mero
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentLily Ray
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best PracticesVit Horky
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project managementMindGenius
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...RachelPearson36
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Applitools
 

Featured (20)

Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPT
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage Engineerings
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental Health
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best Practices
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
 

The planet pluto

  • 1. The Planet Pluto - What Makes This a Suspicious Planet? A lot of people – children and adults alike, have always been fascinated with Pluto. Even if it is trillions of miles away, many wondered what life would be if people lived in that distant planet. My science teachers all described Pluto as the ninth planet of the solar system. Most people take this fact for granted and went about their business. Astronomers themselves were mystified by Pluto, but since space technologically was not yet advanced in that time, they accepted it as part of the solar system. However, with the advent of powerful new ground and space-based observatories decades later, the winds of change has descended in the Astronomy community in which more than four hundred twenty-four astronomers voted to decide if Pluto is part of the family of planets – or a misfit. The vote was controversial because less than five percent of the world’s astronomers were represented in the International Astronomical Union in Prague. Majority of them voted to demote Pluto as a planet. According to them, there were discoveries that proved that Pluto was actually a “dwarf planet”. Aside from the fact that it was too distant to be reached by thorough observation, Pluto could not be classified as a terrestrial planet like Mercury, Mars, Venus, and Earth or as a gas giant like Jupiter, Neptune and Saturn. Moreover, it is made of ice and rock and there were recent discoveries of other moons like Eris, which is made of the same properties like Pluto. It is even more massive than Pluto that astronomers began to doubt on the concept on what defines the nine planets of the solar system, so they decided to make certain rules on what is a planet. What doomed Pluto was that majority of astronomers noted that it has low massive properties like Ceres and Eris. In the end, they voted on a highly contentious decision by classifying Pluto (and Eris) as “dwarf planets.” For these reasons, Pluto was relegated to a place in the Universe called "Kuiper Belt." From being the smallest planet, it is now the second largest belt object of that place. Many astronomers criticized the decision and are planning to appeal, but those
  • 2. who voted for Pluto to be downgraded are unperturbed with their decision. For them, their suspicions are justified because no space exploration was conducted because of it great distance. Moreover, it has an eccentric orbit that was out of line with the eight other planets. Although Pluto can orbit around the sun and has enough gravity to pull itself into a spherical shape, astronomers came up with the argument that planets must be the dominant gravitational body in their orbit. They must also interact, consume and sling smaller objects away with their gravity which was not the case with Pluto. Notwithstanding it suspicious nature or the assessment of astronomers, Pluto is still a fascinating planet to many people. Its remoteness and beauty is still a sight to behold and it would not matter why Pluto was demoted. Who knows? Maybe one day, astronomers may come up with more discoveries and bring back Pluto as part of our solar system. For now, it will be lumped with other moons in a desolate place like the Kuiper belt. Hopefully, significant discoveries about Pluto being a planet may change minds of those who attended the International Astronomical Union in the future. The Reasons Why Pluto Was Demoted After years of hot debate, the unthinkable has happened. Pluto is no longer a planet, which means there are only eight “official” planets in the solar system. Majority of the 424 astronomers who attended the International Astronomical Union, or roughly five percent of the world’s astronomers voted to downgrade Pluto as a dwarf planet. The controversial decision was arrived at when the Union established three categories. First, planets need to orbit around the sun. Second, planets need enough gravity to pull themselves into spherical shapes. Lastly, they need to become the dominant gravitational bodies in their own orbits in the solar system. Pluto was able to fit into the first two categories, but since it was in the recently discovered Kuiper Belt – wherein it is far smaller than objects like Eris (discovered in 2005 by Mike Brown), the cards began to fall. Since there were two or three objects that were more massive than Pluto and were made of the same ice/rock mixture, it cast doubts whether Pluto was the dominant body. To settle the problem astronomers decided to make a definition of a planet in August 14 to 25, 2006 in Prague, Czech Republic. In the end after much debate, Pluto was “demoted” as a dwarf planet, which was the new
  • 3. classification given by astronomers. By virtue of the third ruling, most science textbooks have to be revised and remove Pluto as a planet. Initially, there were proposals on how to preserve Pluto as a planet, but these were roundly criticized. Even when the debates ended, the third ruling was deemed as “flawed” because Jupiter has tens of thousands of asteroids that were not “cleared” yet, same as Earth. It may take years for most people to accept this ruling, but the controversy rages on. Moreover, Mars and Neptune have asteroids as their “neighbors.” Another glaring point is that out of ten-thousand astronomers all over the world, only four- hundred-twenty four voted. A group of dissenting astronomers have now passed a petition in order to overturn the Union’s vote. The debates began in the late1990s on whether to demote Pluto or not. Mike Brown’s discovery of the Kuiber belt fueled more discussions about Pluto, which led to the International Astronomical Union vote in those fateful days in August. For some people, like Mike Brown, Pluto’s demotion may not sit well with many people nor make them excited. Nevertheless, it would make him look forward into educating people why Pluto is not a planet. It is just a beginning of his journey. While people on Earth are still discussing this contentious issue, Pluto will wander in its newly classified, desolate and dark world. It would not be lonely though because Charon is at its side. Even if there are reasons for its demotion as a dwarf planet, it cannot be denied that Pluto will always be a mysterious planet. The beauty of this celestial body is that it is “eccentric” with its axis, has a bigger moon that is facing it, which makes both look like a dumbbell and knocks on the door of Neptune once every twenty years. Until a space probe reaches that place, Pluto will remain a beautiful speck in the sky. Stargazers with enough luck to locate it and scientists who are using the Hubble telescope will marvel at its haunting beauty.