about 200million years ago
Earth revolves around the sun. That is why the constellations we see from Earth appear to change.
Many mammals appear on planet earth. Here are some of them:oxhumanpigmonkeycatdogfoxwolfantelopeelephantpolar bearhorse
Earth's nearest neightbor
Look down.
Green
yes
egypt
0001 AD
The earth rotates.
The line where the sky and the earth or sea appear to meet is called the horizon.
Because it doesn't have oceans . . . And the question should be, "Why DOESN'T the moon appear blue like Earth?"
It's because we are looking at it from a rotating Earth.