What is the Big Bang theory?
A) the idea that the universe as we see it formed when two massive galaxies collided together
B) the idea that all matter and energy in the universe began in an unimaginably dense state, and then space itself began expanding
C) the idea that the galaxy formed from the supernova explosion of a massive star
B
You might also like to view...
To kick a football so it won't topple end over end, kick it so the force of impact extends
A) above its center of gravity. B) through its center of gravity. C) below its center of gravity.
What are redshift surveys designed to show?
What will be an ideal response?
Which form of electromagnetic radiation would be blocked in the stratosphere by ozone?
A) cosmic rays B) ultraviolet C) visible light D) infrared E) microwaves
The total energy emitted by the brightest nova explosions is about:
A) 1,000 Suns. B) 50,000 Suns. C) a million Suns. D) a billion Suns. E) a trillion Suns.