Vinnie Caringella
Astronomy
2-20-13
Quiz 9
1.
-Planets are tiny compared to the distances
between them, Each world has its own character but there are many clear patterns
2.
Motions of large bodies same direction and plane,
2 major planet types, Asteroids and Comets.
3.
Nebula Theory
4.
Galactic Recycling built the elements from which
planets formed
5.
The solar nebula spun faster as it contracted because
of conservation of angular momentum.
6.
-Terrestrial Planets, -Gas Giants
7.
Leftover planetesimals
8.
Material torn from Earth’s crust by a giant
impact formed the moon
9.
4.5 billion years ago
10. February
19, 1473
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