Quiz 3 Study

Question 1

If the galaxy is at a distance of 1 billion light years than what is true.

Answer 1

We see it as it was back than

Question 2

The sun is located about how many kiloparsecs from the center of the galaxy remember 1 kilo parsec equals 1000 pic=_ 3262 light years

Answer 2

8

Question 3

It takes the sun about how many years to make a journey in the galaxy

Answer 3

230,000,000

Question 4

Gas Dust and spiral arms are found in the Galactic

Answer 4

Disk

Question 5

Where the old stars likely to be found

Answer 5

Halo

Question 6

The stars and the lows proportion of heavy elements are usually found where

Answer 6

Halo

Question 7

What is the mass of the galaxy in solar masses

Answer 7

1,250,000,000,000

Question 8

Spiral arms do not contain what

Answer 8

Supermassive black holes

Question 9

In 1 trillion years where is the gas of the Milky Way going to be

Answer 9

Locked into white dwarfs and low mass stars

Question 10

Motions of stars at the center of the galaxy indicate what

Answer 10

That there is a supermassive black hole at the center of our galaxy

Question 11

Edwin Hubble observed what to determine the distance of nearby galaxies

Answer 11

Cepheids

Question 12

What kind of galaxies contains stars but no gas

Answer 12

Elliptical galaxies

Question 13

A sayfert galaxy is always

Answer 13

A galaxy that contains an active galactic the nucleus

Question 14

In a starburst galaxy

Answer 14

Star formation is increase compared to a normal galaxy

Question 15

Star formation is increased and what kind of galaxy

Answer 15

Starburst galaxy

Question 16

What kind of Galaxy is usually the largest

Answer 16

Elliptical galaxies after collision

Question 17

How fast would a galaxy 2000 Mpc. away be moving in respect to us? Hint h0= 70 km/s/mpc

Answer 17

140,000

Question 18

Hubbles law relating galaxy velocity and distance works only when looking at other galaxies for the Milky Way true or false?

Answer 18

False

Question 19

Hubbles law implies a galaxies are blue shifted true or false

Answer 19

False

Question 20

What distance measurement technique works best for the closest galaxy that we can observe?

Answer 20

Cepheid so

Question 21

Proto galactic clouds with slow spin and angular momentum are probably form in elliptical galaxies true or false

Answer 21

True

Question 22

Elliptical galaxies usually form what type of clouds

Answer 22

Proto galactic clouds

Question 23

Because quasars usually have very large redshifts what can we conclude

Answer 23

Nearby galaxies might hold dead quasars

Question 24

What is a Magellanic cloud

Answer 24

Irregular

Question 25

What type of galaxy is the Milky Way

Answer 25

A barred spiral galaxy

Question 26

What type of galaxy is the Andromeda galaxy

Answer 26

A spiral galaxy

Question 27

The standard used to measure the distance of distant galaxies is otherwise known as

Answer 27

Tully fisher relation

Question 28

Describe the disc of the galaxy

Answer 28

It is a flat and distribution of mainly young stars and star formation lots of gas and dust usually stay here

Question 29

Describe the central bulge of the galaxy

Answer 29

Contains a mix of older and younger stars

Question 30

Describe the halo of the galaxy

Answer 30

It is a large spiracle region that contain some stars and globular clusters

Question 31

Earth is a part of what

Answer 31

The solar system

Question 32

The solar system is a part of what

Answer 32

The Milky Way galaxy

Question 33

The Milky Way galaxy is a part of what

Answer 33

The local group

Question 34

The local group is a part of what

Answer 34

The local supercluster