Author Question: If the Space Shuttle were given a much larger fuel tank, it could achieve speeds of about 90 percent ... (Read 25 times)

RRMR · **on:** Jul 27, 2018

If the Space Shuttle were given a much larger fuel tank, it could achieve speeds of about 90 percent of the speed of light.

Indicate whether the statement is true or false

Question 2

The great contribution of Nicholas Copernicus was to

A) create a detailed model of our solar system with the Sun rather than Earth at the center.
B) prove that the Earth is not the center of the universe.
C) discover the laws of planetary motion.
D) discover the law of gravity.