Which correctly lists the two elements that make up the empty space in the universe?
About how long ago did our solar system start to form?
Which is one piece of information that astronomers use to calculate the age of the universe?
Which statement accurately describes the inner planets?
Which event led to the formation of our solar system?
Which statement accurately describes how the understanding of the Doppler effect is applied to the study of galaxies?
There is a theory that gravity could pull galaxies back together, causing a reverse big bang.Which observation makes this theory less likely than the idea that the universe may continue to expand?
Which planet formed near the Sun where the solar system’s temperatures were very high?
Which two objects in space formed from the huge disk of ice and debris beyond the outer planets?
Which statement accurately describes the outer planets?
Did you find these answers helpful?