Author Question: Based on human history, the likelihood that we will eventually colonize other habitable planets in ... (Read 65 times)

erika · **on:** Jul 27, 2018

Based on human history, the likelihood that we will eventually colonize other habitable planets in our galaxy is

A) impossible to predict
B) high
C) zero
D) low

Question 2

A spaceship leaves Earth at 70.0 the speed of light. How fast must the spacecraft launch a shuttlecraft with respect to the ship so that it appears, from Earth, to be moving 98.7 the speed of light away.

A) 0.928c
B) 0.966c
C) 0.987c
D) 0.972c
E) 0.911c