Multiple Choice
Why do astronomers NOT believe that terrestrial exoplanets with orbits smaller than Mercury's orbit are relics of hot Jupiters in similar orbits?
A) In our solar system, the two kinds of planets formed in different parts of the protoplanetary disk.
B) Observations of transiting hot Jupiters have shown that they are not losing their atmospheres.
C) The two kinds of planets have different compositions.
D) The terrestrial planets have more eccentric orbits than the hot Jupiters.
Correct Answer:
Verified
Correct Answer:
Verified
Q53: All of these are possible mechanisms believed
Q54: An astronomer is trying to detect an
Q55: How was the vast majority of the
Q56: How far away is the nearest known
Q57: Which characteristic MOST directly determines whether a
Q59: Astronomers have searched for extrasolar planets for
Q60: A particular star shows spectral lines of
Q61: An exoplanet discovered through the transit photometry
Q62: What is thought to be the physical
Q63: An exoplanet detected through microlensing causes<br>A) variations