Multiple Choice
Planets in the habitable zone of their stars:
A) are always the planets closest to the star
B) are also called hot Jupiters
C) are so far from their stars that it is very difficult to discover them
D) are at a temperature where water can exist as a liquid
E) cannot exist around stars that are red dwarfs (spectal type M)
Section 21.6: New Perspectives on Planet Formation
Correct Answer:

Verified
Correct Answer:
Verified
Q7: Astronomers were surprised to find so many
Q8: In figuring out the evolutionary tracks on
Q9: When a star settles down to a
Q10: Why was the Kepler mission not able
Q11: The closest star to the Sun, Proxima
Q13: Astronomers studying regions like the Orion Giant
Q14: Which of the following is NOT one
Q15: The first (living) star other than our
Q16: What technique did astronomers use to make
Q17: How did astronomers determine that the planet