Author Question: The erupting geysers of nitrogen gas on Triton A) are caused by a not yet determined internal ... (Read 69 times)

bio_gurl · **on:** Jul 27, 2018

The erupting geysers of nitrogen gas on Triton

A) are caused by a not yet determined internal energy source.
B) can be viewed by the Hubble Space Telescope.
C) produced the large liquid oceans.
D) are increasing the moon's rotation rate.
E) produced the frozen nitrogen surface.

Question 2

Planetary transits of exoplanets are rare because

A) most stars are too bright for us to detect a planetary transit.
B) the Earth's atmosphere interferes with our observations of transits.
C) our telescopes are not powerful enough to detect them.
D) most extrasolar systems are not seen edge-on.
E) most exoplanets are smaller than Pluto.