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Chapter 6 Exam Review: How is Einsteins famous equation, E= mc squared, important in understanding the Sun? It explains the fact that the Sun generates thermal energy by losing some 4 million tons of mass each day . The lost 4 million tons is converted to an amount of energy equal to this mass times the speed of light squared. Note that although 4 million tons per day sounds like a lot, it is quite small compared to the Suns total mass. In what way is Venus most similar to Earth? Both planets are nearly the same size. Imagine that an alien spaceship crashed onto Earth. Which statement would most likely be true? It would crash in the ocean. This is very likely, because the Earths surface is about covered by oceans. Which statement about the recently-discovered object Eris is false? It is thought to be the first example of a new class of planet. Actually, its very similar to Pluto, so its not a new kind of object.... View Full Document

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