Light travels at the speed of
a) over 5 billion km.
b) 5 million km.
c) over 1 billion km.
d) 15 million km

What is the earth matial ot igneous rock

Match the letters with the correct terms

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.