Slide 1 28 August 2015 1 Astronomy The Universe Stars Our Solar System OrbitsGravity Slide 2 28 August 2015 2 The Size of the Universe Distance in space is often measured…
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Life Cycle of a Star Life Cycle of a Star What is a Star? 1. Giant balls of exploding gas consisting mainly of hydrogen and helium. 2. There are 100 billion stars in the…
Slide 1 The Big Bang, Galaxies, & Stars Slide 2 Big Bang theory – Origin of the Universe Big Bang marks the inception of the universe Occurred about 13.7 billion…