Author Question: If the universe has a density greater than o = 1, it is considered high density. Indicate whether ... (Read 60 times)

javeds · **on:** Jul 27, 2018

If the universe has a density greater than o = 1, it is considered high density.

Indicate whether the statement is true or false

Question 2

Moonquakes on the Moon were detected by:

A) the radar observations over time from Earth.
B) the seismographs left these by the Apollo astronauts.
C) laser beams reflected off mirrors left on the Moon by Apollo missions.
D) seismographs attached to the Russian Lunar rovers.
E) telescopic observations of lunar landslides.