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The Solar System
PROJECT BY
BHAVANA
Introduction
• A solar system consists of a star
and objects that revolve around
it.
• Our Solar System consists of the
Sun and nine known planets and
the moons that orbit those
planets.
• The force of gravity keeps
planets in orbit around the sun.
The Sun
• It is over one million times
larger than Earth.
• It is eight light minutes away
from Earth or 92,957,000 miles.
• The temperature is 15 million
degrees K. One K = 13-25 million
degrees!
The Nine Known Planets
Inner Planets Outer
Planets
• Mercury
• Venus
• Earth
• Mars
• Jupiter
• Saturn
• Uranus
• Neptune
• Pluto
Mercury
• Closest planet to the
sun
• Approximately half
the size of Earth
• Rocky surface covered
by craters
• No water or air results
in unchanged
appearance
• Surface temperatures
are hot enough to melt
lead
Uranus
• Seventh planet
from the Sun
• Four times larger in
diameter than the
Earth
• Blue-green in color
• The tilt of the axis
causes sunlight for
42 years at a time
Venus
• Second planet from
the Sun
• Approximately the
same size as the
Earth
• Atmosphere
consists of
poisonous gases
Earth
• Third planet from
the Sun
• Largest of the four
inner planets
• Only planet where
life is known to
exist
• 70% of the surface
is covered by water
Mars
• Fourth planet from
the Sun
• Approximately half
the size of Earth
• Known as the Red
Planet
• Has four seasons
similar to Earth
• Resembles Earth more
than any other planet
Jupiter
• Fifth planet form
the Sun
• Largest planet in
our Solar System
• 1300 Earths could
fit inside Jupiter
• Doesn’t have a
surface; made of
gases
Saturn
• Sixth planet from
the Sun
• Second largest
planet
• 800 Earths could
fit inside Saturn
• Thousands of rings
are made up of ice
and rock fragments
Neptune
• Eighth planet form
the Sun
• Four times larger in
diameter than the
Earth
• Blue in color
Pluto
• Ninth planet from
the Sun
• Smallest of the
planets
• Coldest planet
• But now it is not
considered as a
planet.
Let’s compare the
planets to Earth
A day on :
Mercury = 3 Earth months
Venus = 117 Earth days
Mars = 41 minutes longer than
an Earth day
Jupiter = 10 Earth hours
Saturn = 10 ½ Earth hours
Uranus = 13 ½ Earth hours
Neptune = 18 Earth hours
Pluto = 7 Earth days
OUR SOLAR SYSTEM
• Our solar system consists of:
• 1 star , 8 planets, 63 (major) moons , asteroids, comets, meteoroids
The Orbital Speed of the Planets
• Mercury = 30 miles per second
• Venus = 22 miles per second
• Earth = 19 miles per second
• Mars = 15 miles per second
• Jupiter = 8 miles per second
• Saturn = 6 miles per second
• Uranus = 4.2 miles per second
• Neptune = 3.3 miles per second
• Pluto = 2.9 miles per second
Therefore, the further away from the Sun, the
slower the orbital speed.
The Earth has one Moon.
How many moons do the other planets have?
• Mercury - 0
• Venus - 0
• Mars - 2
• Jupiter - 17
• Saturn - 22
• Uranus - 15
• Neptune - 2
• Pluto - 1
• The Moon
It takes 365 days for Earth to revolve
around the Sun.
How long does it take the other planets?
• Mercury - 88 Earth days
• Venus - 225 Earth days
• Mars - about 2 Earth years
• Jupiter - 11.8 Earth years
• Saturn - 30 Earth years
• Uranus - 84 Earth years
• Neptune - 165 Earth years
• Pluto - 248 Earth years
“THANK YOU”

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The solar system

  • 2. Introduction • A solar system consists of a star and objects that revolve around it. • Our Solar System consists of the Sun and nine known planets and the moons that orbit those planets. • The force of gravity keeps planets in orbit around the sun.
  • 3.
  • 4. The Sun • It is over one million times larger than Earth. • It is eight light minutes away from Earth or 92,957,000 miles. • The temperature is 15 million degrees K. One K = 13-25 million degrees!
  • 5. The Nine Known Planets Inner Planets Outer Planets • Mercury • Venus • Earth • Mars • Jupiter • Saturn • Uranus • Neptune • Pluto
  • 6. Mercury • Closest planet to the sun • Approximately half the size of Earth • Rocky surface covered by craters • No water or air results in unchanged appearance • Surface temperatures are hot enough to melt lead
  • 7. Uranus • Seventh planet from the Sun • Four times larger in diameter than the Earth • Blue-green in color • The tilt of the axis causes sunlight for 42 years at a time
  • 8. Venus • Second planet from the Sun • Approximately the same size as the Earth • Atmosphere consists of poisonous gases
  • 9. Earth • Third planet from the Sun • Largest of the four inner planets • Only planet where life is known to exist • 70% of the surface is covered by water
  • 10. Mars • Fourth planet from the Sun • Approximately half the size of Earth • Known as the Red Planet • Has four seasons similar to Earth • Resembles Earth more than any other planet
  • 11. Jupiter • Fifth planet form the Sun • Largest planet in our Solar System • 1300 Earths could fit inside Jupiter • Doesn’t have a surface; made of gases
  • 12. Saturn • Sixth planet from the Sun • Second largest planet • 800 Earths could fit inside Saturn • Thousands of rings are made up of ice and rock fragments
  • 13. Neptune • Eighth planet form the Sun • Four times larger in diameter than the Earth • Blue in color
  • 14. Pluto • Ninth planet from the Sun • Smallest of the planets • Coldest planet • But now it is not considered as a planet.
  • 16. A day on : Mercury = 3 Earth months Venus = 117 Earth days Mars = 41 minutes longer than an Earth day Jupiter = 10 Earth hours Saturn = 10 ½ Earth hours Uranus = 13 ½ Earth hours Neptune = 18 Earth hours Pluto = 7 Earth days
  • 17. OUR SOLAR SYSTEM • Our solar system consists of: • 1 star , 8 planets, 63 (major) moons , asteroids, comets, meteoroids
  • 18. The Orbital Speed of the Planets • Mercury = 30 miles per second • Venus = 22 miles per second • Earth = 19 miles per second • Mars = 15 miles per second • Jupiter = 8 miles per second • Saturn = 6 miles per second • Uranus = 4.2 miles per second • Neptune = 3.3 miles per second • Pluto = 2.9 miles per second Therefore, the further away from the Sun, the slower the orbital speed.
  • 19. The Earth has one Moon. How many moons do the other planets have? • Mercury - 0 • Venus - 0 • Mars - 2 • Jupiter - 17 • Saturn - 22 • Uranus - 15 • Neptune - 2 • Pluto - 1 • The Moon
  • 20. It takes 365 days for Earth to revolve around the Sun. How long does it take the other planets? • Mercury - 88 Earth days • Venus - 225 Earth days • Mars - about 2 Earth years • Jupiter - 11.8 Earth years • Saturn - 30 Earth years • Uranus - 84 Earth years • Neptune - 165 Earth years • Pluto - 248 Earth years