Author Question: The most recent features on the Moon's surface are the bright rayed craters like Copernicus, sitting ... (Read 153 times)

jayhills49 · **on:** Jul 27, 2018

The most recent features on the Moon's surface are the bright rayed craters like Copernicus, sitting atop the older mare flows.

Indicate whether the statement is true or false

Question 2

If a star is found by spectroscopic observations to be about 500 parsecs distant, its parallax is:

A) .2.
B) .5.
C) .02.
D) .002.
E) .005.