The document classifies stars based on their surface temperature and color. Class O stars are the hottest with temperatures over 25,000 K and a blue color. Class G stars like our Sun have temperatures between 5,000-6,000 K and are yellow. The coolest stars, Class M, are red and have temperatures below 3,500 K.
As a star forms from a nebula, gravitational forces cause the gases and dust to collapse inward toward the core. As the core becomes denser and hotter, nuclear fusion begins, causing the star to shine. Medium stars end as white dwarfs, large stars as neutron stars, and super large stars as black holes.
Telco Churn Rate Analysis - AEDA Capstone Sook Yen Wong
Working with a team of tech-savvy data scientists, business analysts and IT engineers to develop a Capstone project presentation with Python, SQL, Data Storytelling and Tableau within 2 days! We managed to crack the code with data and provide ideas and solutions to better improve the churn rate for Telco!
Mandarin Oriental's "Fan Campaign" has generated 400% returns since its inception.
Find out how does this advertising strategy helps generate extravagant revenues for Mandarin Oriental :)
Telco Churn Rate Analysis - AEDA Capstone Sook Yen Wong
Working with a team of tech-savvy data scientists, business analysts and IT engineers to develop a Capstone project presentation with Python, SQL, Data Storytelling and Tableau within 2 days! We managed to crack the code with data and provide ideas and solutions to better improve the churn rate for Telco!
Mandarin Oriental's "Fan Campaign" has generated 400% returns since its inception.
Find out how does this advertising strategy helps generate extravagant revenues for Mandarin Oriental :)
Alibaba is one of the top internet company that shines in this digital age.
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Great learning from Jack Ma!
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
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Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Digital Tools and AI for Teaching Learning and Research
Form 3 PMR Science Chapter 9 Stars and Galaxies
1.
2. Class Colour Surface Example
Temperature
O Blue > 25 000 Spica
B Whitish-blue 11 000 – 25 000 Rigel
A White 7 500 – 11 000 Sirius
F Yellowish-white 6000 – 7500 ProcyonA
G Yellow 5000 – 6000 The Sun
K Orange 3500 – 5000 Acturus
M Red < 3500 Betelgeuse
3. Neutron star
White dwarf
The Sun
Giant
Supergiant
4. Star Distance (Light Years)
Sirius 9
Canopus 98
Alpha Centauri 4.3
Acturus 36
Vega 26
Capella 45
Rigel 900
Procyon 11
Achernar 118
Beta Centauri 490
In order of brightness ….
5. Nebulae pulled
Gravitational
Huge Clouds of inwards
Nebulae Pull between
Gases and Dust towards the
particles
core
Core
temperature & Gravitational
Start to spin Core compact
Pressure force increases
increases
Nuclear fusion
starts (15 000 Start to shine
degrees)
6. Death of Medium-sized star
Red giant >> White Dwarf >> Black dwarf
Death of Large star
Red giant >> Supergiant >> Supernova >> Neutron star
Death of Super-Large star
Red giant >> Supergiant >> Supernova >> Black hole
7. Furthest galaxy – 10 000 million years apart
Universe begin about 18 000 million years
ago as a result of a very huge explosion
Scatter cosmic materials and hot gases in all
directions
Scientists believe that the Universe is still
expanding and also breaking up