8 Astrophysics – Part C “Stellar Evolution”
8.7 understand how stars can be classified according to their colour
8.8 know that a star’s colour is related to its surface temperature
8.9 describe the evolution of stars of similar mass to the Sun through the following stages:
- Star (main sequence)
- Red giant
- White dwarf
8.10 describe the evolution of stars with a mass larger than the Sun
8.11P understand how the brightness of a star at a standard distance can be represented using absolute magnitude (Triple)
8.12P draw the main components of the Hertzprung-Russell diagram (HR diagram). (Triple)
There are two versions of the lessons here. One is extended for people who are looking to do further work in Physics, and the other is a more simplified cut down version…
10 Amazing Facts About The Sun
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The Periodic Table Song
A classic bit of fun!
A classic bit of fun!
Prof Brian Cox - Wonders of the Universe
Buy the book of the acclaimed series http://tinyurl.com/68uvbu4 Professor [...]
Buy the book of the acclaimed series http://tinyurl.com/68uvbu4
Professor Brian Cox is back with another insightful and mind-blowing exploration of space. This time he shows us our universe as we've never seen it before.
13.7 billion years old. 93 billion light years wide. It contains over 100 billion galaxies, each containing hundreds of billions of stars. This infinite, vast and complex Universe has been the subject of human fascination and scientific exploration for thousands of years. The wonders of the Universe might seem alien to us and impossible to understand, but away from the telescopes, the labs and the white coats, Professor Brian Cox uses the evidence found in the natural world around us to explain its simple truths.
Travelling to the North Pole, Professor Cox demonstrates how spinning worlds create electrical currents and magnetism; he looks at the South Pacific Ocean to explain how the Universe communicates and moves in waves; he shows us how the water of the Angel Falls waterfall in Venezuela behaves exactly like the light does around a black hole. The same laws of light, gravity, time, matter and energy that govern us here on Earth are the same as those applied in the Universe. Using 3D CGI imagery, his expert knowledge and his infectious enthusiasm, Professor Cox shows us that if we can understand the impact of these governing laws on Earth it will bring us a step closer to an understanding of our Universe.
Film by HarperCollins Publishers. Directed by Hilary O'HareShow More
Brian Cox: How are chemical elements made? | Physics - Wonders of the Universe
Suitable for teaching 14-16s. Professor Brian Cox demonstrates how the [...]
Suitable for teaching 14-16s. Professor Brian Cox demonstrates how the chemical elements are made in the death throes of a dying star.
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Professor Brian Cox demonstrates how the chemical elements are made in the death throes of a dying star. All 92 elements on Earth, including those that make up our bodies, were formed at the heart of a star. Small stars like our Sun produce the lighter atoms through fusion reactions. Larger stars with heavier cores make the heavier elements up to iron. The rest are forged by exploding supernovae or the deaths of the very largest stars.
This clip is from Wonders of the Universe, a series of short films for BBC 2 and BBC Learning Zone where Professor Brian Cox witnesses some of the most breathtaking environments on Earth and reveals how the most fundamental scientific principles and laws explain not only the story of the universe, but the story of us all.
For more clips from Stars and Galaxies: http://bit.ly/TeachStars
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For Class Clips users, the original reference for the clip was p011sm9b.
Students could be challenged to describe and explain where all the elements that make up the universe come from. The clip can be used as a starter point for the introduction of nuclear fusion and the life process of stars.
This topic will be relevant to GCSE Physics in England, Wales and Northern Ireland and National 3 and 4 in Scotland.
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Stars and Galaxies: The Hertzsprung-Russell Diagram
This lesson explores the relationship between a star's luminosity its [...]
This lesson explores the relationship between a star's luminosity its surface temperature, which, when correlated together, can be used to deduce the size of the star. Duration: 9:53.
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