Astronomy Quiz - Astronomy Take Home Quiz 1. The 1 solar...

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Astronomy Take Home Quiz 1. The 1 solar mass star will live longer than the 20 solar mass star because the larger star needs more fuel to support itself in hydrostatic equilibrium than the smaller star, which it does not have. 2. Terrestrial planets have cores of heavy material such as iron and nickel and the crusts have a lighter material because they are at the surface. For example, Mars has a liquid iron core. The terrestrial planets include the inner planets of Mercury, Venus, Earth, and Mars. On the other hand, Jovian planets are known as gas giants and have an atmosphere composed of layer of liquid hydrogen. Also, another difference between the two groups is that the Jovian planets are much bigger than the Terrestrial. What is special about Uranus and Neptune is that they contain a large amount of ice, ammonia, and methane. 3. Relative brightness of the planets from Earth depends on four things: distance from the planet and the sun, distance between the planet and the Earth, albedo, and size. Even
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Astronomy Quiz - Astronomy Take Home Quiz 1. The 1 solar...

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