Multiple Choice
A comet's tail is caused by ____.
A) gravitational attraction to nearby planets
B) the slow crumbling of the comet's head due to its great velocity
C) geysers that spew dust and gas from the comet's head
D) the solar wind blowing some of the lighter particles away from the comet's head
Correct Answer:
Verified
Correct Answer:
Verified
Q16: The Moon formed _.<br>A) before Earth formed<br>B)
Q17: Describe the surface of Jupiter.
Q18: Venus is more than twice the size
Q19: According to the most popular current hypothesis,
Q20: List the Jovian planets in order.
Q22: Describe Mercury in terms of its size,
Q23: Venus and Earth probably had similar atmospheres
Q24: Galileo thought that the Moon's maria were
Q25: Scientists deduce that Jovian weather is driven
Q26: The _ planets are composed primarily of