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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.

User Mahammed
by
5.1k points

1 Answer

4 votes

Answer:

Step-by-step explanation:

Question 1 (1 point)

According to theory, which term best describes the universe before the big bang?

a small densely packed ball of matter

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

Question 3 (1 point)

How do scientists use the Doppler effect to understand the universe?

to determine motion of objects

Question 4 (1 point)

The Doppler effect indicates that the universe is expanding because_________.

Which phrase best completes the sentence.

light from other galaxies is red shifted

Question 5 (1 point)

What does a blue shift in light from stars indicate?

The stars are moving closer.

User Jalagrange
by
4.5k points