Big Bang Theory

What force prevents individual galaxies from increasing in size despite the continuous expansion

of the universe?

• black hole

• dark matter

• gravity

• redshift

What is the estimated age of the universe?

• 13.5 billion

• 13.8 billion

• 15.8 billion

• 18.3 billion

Where does the universe originate according to the big bang theory?

• cosmic explosion

• light elements

• nucleosynthesis

• singularity

What does the big bang theory explain?

• redshift phenomenon

• relationship of distance and velocity

• the origin of heavenly bodies

• the origin of the universe

Who observed galaxies moving away from us?

• Hubble

• Lemaitre

• Penzias

• Wilson

What is the central idea of the big bang theory?

• All matter in the universe started

  at a single point of origin.

• As the universe continues to

  expand, it will eventually

  collapse.

• When two or more galaxies

  collide, a big bang occurs.

• The current universe is at its

  original location of the cosmic

  explosion.

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

Which elements are most

abundant in the visible

universe?

• Helium and Carbon

• Carbon and Oxygen

• Hydrogen and Oxygen

• Hydrogen and Helium

Galaxies that are redshifted are:

• actually blue.
• really far away.
• invisible.
• moving away from us.

The Cosmic Background Radiation is:

• the remaining energy from the big bang.

• incredibly hot.

• visible to the human eye.

• only located in certain places in the universe.