Big Bang Review

What is the CMBR?

• Leftover heat from the Big Bang

• A type of cosmic radiation

• A black hole's event horizon

• The expansion of the universe

Where is the center of the universe located?

• At the edge of the Milky Way galaxy

• In the Andromeda galaxy

• There is no center of the universe.

• In the center of the observable universe

How old do scientists think the Universe is?

• 10 billion years old

• 13.8 billion years old

• 15 billion years old

• 12 billion years old

The Big Bang Theory is the most widely accepted theory about the origin of the universe.

• true

• false

• the universe has always existed

• the universe was created by a deity

The Cosmic Background Radiation is:

• the remaining energy from the big bang.

• a type of radiation emitted by black holes.

• the light from distant stars and galaxies.

• the heat generated by the Earth's core.

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

Observations of space indicate that most matter in the universe is ___?

• oxygen, nitrogen, and carbon

• hydrogen, helium, and dark matter

• silicon, magnesium, and iron

• neon, argon, and krypton

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Hubble's Law states that galaxies that are moving twice as far away are moving

• twice as fast

• half as fast

• three times as fast

• the same speed

As galaxies move away from our galaxy, a shift on the electromagnetic spectrum is noticed. This phenomena is called _____________.

• blueshift

• redshift

• gravitational lensing

• cosmic microwave background