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Welcome to our Physics lesson on Basic Features, this is the first lesson of our suite of physics lessons covering the topic of Sun and Planetary Motion, you can find links to the other lessons within this tutorial and access additional physics learning resources below this lesson.
The Sun is a fiery giant orb of mass M = 1.9989 × 1030 kg, mostly made up of hydrogen and helium. The Sun is an average sized star formed about 4.6 billion years ago. The radius of the Sun is 6.96 × 105 km. The Sun is located at centre of our Solar System and it is the main source of energy for it. All planets are "fed" by portions of solar energy originating from the Sun.
You have reached the end of Physics lesson 22.2.1 Basic Features. There are 10 lessons in this physics tutorial covering Sun and Planetary Motion, you can access all the lessons from this tutorial below.
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