Help ASAP 100 POINTS Question 1 (1 point)
According to theory, which term best describes the universe before the big bang?

Question 1 options:

a star

a cloud of gas and dust

a small densely packed ball of matter

a planet

Question 2 (1 point)
Which example is used as evidence that the universe began with the big bang?

Question 2 options:

leftover energy in the form of background radiation in the universe from the event

the force of gravity

craters on the moon

the existence of atoms

Question 3 (1 point)
How do scientists use the Doppler effect to understand the universe?

Question 3 options:

to determine motion of objects

to determine light brightness

to determine planet compositition

to determine the ages of planets

Question 4 (1 point)
The Doppler effect indicates that the universe is expanding because.

Which phrase best completes the sentence.

Question 4 options:

light from other galaxies is the same color

light from other galaxies is the different color

light from other galaxies is blue shifted

light from other galaxies is red shifted

Question 5 (1 point)
What does a blue shift in light from stars indicate?

Question 5 options:

The stars are moving randomly.

The stars are moving closer.

The stars are moving farther away.

The stars are stationary.