Galileo Thought That the Moon's Maria Were ____________________

Q19: According to the most popular current hypothesis,

Q20: List the Jovian planets in order.

Q21: A comet's tail is caused by _.<br>A)

Q22: Describe Mercury in terms of its size,

Q23: Venus and Earth probably had similar atmospheres

Q25: Scientists deduce that Jovian weather is driven

Q26: The _ planets are composed primarily of

Q27: Name the four Galilean moons that are

Q28: Jupiter, Saturn, Uranus, and Neptune are known

Q29: The Moon's _ are dry, barren, flat