How long ago did the Big Bang occur?
RED shift of light means the star is moving
BLUE shift of light means the star is moving
RED shift is proof that the universe is
RED shifted light has a
BLUE shifted light has a
Which provides proof that the universe is expanding?
How long ago did the universe begin?
Ever since the universe began, the universe has been
Which of the following is proof for the Big Bang Theory?
Cosmic Background Radiation is...
Most scientists believe the Big Bang Theory explains which of the following questions?
Which statement is true?