Big bang theory

This theory states that the universe began as a hot infinitely dense point.

• Steady state theory

• Nebular theory

• Big bang theory

• Creation theory

What is the other term for this "infinitely dense point" from the definition of Big bang theory?

• Singularity

• Singular

• Plural

• Plurarity

Check all that applies: What are the product of this explosion ("Big bang")

• Matter

• Energy

• Volume

• Space

• Time

Named after the dominance of radiation.

• Matter era

• Radiation era

Check all that applies: These forces are known as the "SUPER FORCE"

• Gravity

• Strong Nuclear

• Weak

• Electromagnetic

In this epoch in radiation era, the only existing in the universe is energy, no matter existed.

• Grand Unified

• Inflationary

• Electroweak

• Planck

On this epoch, the universe cooled down enough for the quarks to bind. This binding formed the protons and neutrons.

• Lepton

• Hadron

• Nuclear

• Electroweak

Named after the presence and dominance of matter in the universe

• Radiation era

• Matter era

This process helped create the the universe's second element, hydrogen.

• Recombination

• Atomic

• Stellar

• Galactic

This epoch is described in which the hydrogen along with the helium atoms dotted the universe with atomic clouds. These clusters became the seedlings of galaxies.

• Stellar

• Atomic

• Galactic

• Nuclear