Author Question: The grooved terrain found on Ganymede is believed to be a. flow channels for liquid water. b. ... (Read 50 times)

JMatthes · **on:** Jul 27, 2018

The grooved terrain found on Ganymede is believed to be

a. flow channels for liquid water.
b. flow channels for liquid methane.
c. a system of faults in the crust.
d. the peaks of water waves in a large ocean.
e. caused by meteor impacts with the surface of Ganymede.

Question 2

The Roche limit is the

a. distance from the Sun within which a planet cannot retain an atmosphere.
b. minimum mass of an object in the solar system that would be classified as a planet.
c. maximum separation distance between the Sun and a given planet.
d. distance from Earth at which we lose radio communication with a satellite.
e. distance from a planet within which a planet cannot hold itself together.