Topic #12 Review: Solar System and the Universe

Question 1

Which feature of the sun do astronomers use to observe the sun's rotation?

Accepted Answer

sun spots

Question 2

The inner layer of the sun is the photosphere

Accepted Answer

True

Question 3

The universe is smaller than a galaxy

Accepted Answer

False

Question 4

High-energy radiation that has is shortest wavelength is called (_______).

Accepted Answer

gamma ray

Question 5

What is the first stage of a star called?

Accepted Answer

protostar

Question 6

Sometimes when a star dies, the gravity on the remaining mass pulls the gasses inward, creating a (_____).

Accepted Answer

black hole

Question 7

Which layer of the sun is most of the heat in the form of EMR?

Accepted Answer

radiatie zone

Question 8

A star is part of a galaxy

Accepted Answer

True

Question 9

The outermost layer of the sun is the corona

Accepted Answer

True

Question 10

Which of the following is NOT a layer of the sun?

Accepted Answer

nebula

Question 11

A star system is larger than a star cluster

Accepted Answer

False

Question 12

A star's apparent brightness and (_____) are needed to calculate absolute brightness

Accepted Answer

distance from earth

Questions 12