It depends on what you’re learning, a possible answer is bias.
Answer: Earth's shadow extends about 870,000 miles (1.4 million km) into space
Explanation:Like all shadows, the shadow of Earth is always opposite the sun. So you'll want to look eastward after sunset for the shadow (or westward before sunrise). Earth's shadow is the dark blue line above the horizon in this photo by Jörgen Andersson in Sweden. View larger.
The answer is constellations.
It means wolf are begining to disseaper. They are going to be extinct.
<span>The Earth rotates once in about 24 hours with respect to the sun and once every 23 hours,
56 minutes and 4 seconds with respect to the stars. Earth's
rotation is slowing slightly with time; thus, a day was shorter in the
past.</span>