What is the average size of the head of a comet?
A) 1-2 km across
B) less than 15 km across
C) 50 km across
D) 500 km across
E) 2,500 km across
Correct Answer:
Verified
Q4: What is the relationship between the size
Q5: An achondrite stony meteorite consists of:
A) mostly
Q6: What are comets made of?
A) ice and
Q7: On average,how often does a 6-meter diameter
Q8: What is the path of comets around
Q10: Where do asteroids originate in space?
A) They
Q12: Which of the following would NOT result
Q13: A rock that enters Earth's atmosphere and
Q14: How fast do asteroids travel in space?
A)about
Q14: What are shatter cones?
A) funnel-shaped cones of
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