EARTH LIFE SCIENCE REVIEW

Clouds of dust and gas and other star clusters

What is the nebulae made of?

What is the galaxy a group of?

What is the correct timeline of the big bang theory?

• singularity era (planck era) - inflationary era - formation of the universe - formation of basic elements - radiation era - matter domination - birth of stars and galaxies

• inflationary era - singularity era (planck era) - formation of basic elements - formation of the universe - matter domination - radiation era - birth of stars and galaxies

• singularity era (planck era) - formation of the universe - inflationary era - formation of basic elements - radiation era - birth of stars and galaxies - matter domination

• inflationary era - formation of the universe - singularity era (planck era) - formation of basic elements - matter domination - birth of stars and galaxies - radiation era

• Pairs of hydrogen nuclei form helium nuclei, the process is called

What is the shift when the distance between galaxies is increasing with time

According to Edwin Hubble, the distance between galaxies is...

• is speculated to be the remnant energy left over from the

  formation of the universe

• Sun center of the solar system

• Geocentric Model

• Heliocentric Model

What is the theory that states that the universe is unchanging?