Our Expanding Universe

Front

The three pieces of evidence for our current theory of the universe are: redshift, CMB, distribution of galaxies.

Back

redshift, CMB, distribution of galaxies.

Front

Galaxies that are redshifted are:

Back

moving away from us.

Front

The universe is expanding! This means that: all of the galaxies are spreading out., the universe must have started from a single point., the universe is cooling down., all of the above.

Back

all of the above.

Front

The CMB is:

Back

the remaining energy from the big bang.

Front

What allowed our planets and their moon(s) to form our solar system?

Back

Gravity formed planets from smaller pieces of debris

Front

The gravitational equation is shown in the image: What two factors influence the gravity between the two objects?

Back

mass and distance

Front

Light waves that are stretched out by objects moving apart:

Back

appear more red.

Front

CMBR stands for:

Back

Cosmic Microwave Background Radiation.

Front

Edwin Hubble came with a law that stated: The further a galaxy is away from us...

Back

the faster is moving away from us

Front

The universe is ____________ years old.

Back

13.8-14 billion