Question 1 (20 points)

Question

Match the Galaxy term with its Defintion

Column A
Column A
1.
When a large star Explodes, it is called a ______:
When a large star Explodes, it is called a ______
2.
A cloud of gas that is present both at the birth and death of a star:
A cloud of gas that is present both at the birth and death of a star
3.
Dark matter, stars, dust and gas all make up a _____:
Dark matter, stars, dust and gas all make up a _____
4.
The #1 force that holds a galaxy together:
The #1 force that holds a galaxy together
5.
Waves of energy given off throughout space:
Waves of energy given off throughout space
6.
A vacuum at the center of a Galaxy:
A vacuum at the center of a Galaxy
7.
Galaxies gather in ________ to form the universe:
Galaxies gather in ________ to form the universe
8.
Galaxy that is flat, with older stars and not much gas/dust:
Galaxy that is flat, with older stars and not much gas/dust
9.
Most common Galaxy that is coiled, with newer stars on its "arms" and a moderate amount of gas/dust:
Most common Galaxy that is coiled, with newer stars on its "arms" and a moderate amount of gas/dust
10.
Galaxy that is smaller and younger, not well formed, and has a lot of gas/dust:
Galaxy that is smaller and younger, not well formed, and has a lot of gas/dust
11.
During the formation of a black hole, the core of a star collapses into one super dense point called a _______:
During the formation of a black hole, the core of a star collapses into one super dense point called a _______
12.
The area around a black hole where light and matter cannot exit is called the _______:
The area around a black hole where light and matter cannot exit is called the _______
13.
5% of the universe is this type of "ordinary matter" made up of atoms:
5% of the universe is this type of "ordinary matter" made up of atoms
14.
25% of the universe is made up of this atypical matter that does not interact with radioactive energy but clearly has gravitational pull:
25% of the universe is made up of this atypical matter that does not interact with radioactive energy but clearly has gravitational pull
15.
70% of the universe is made up of this dynamic (but mostly unexplained) energy:
70% of the universe is made up of this dynamic (but mostly unexplained) energy
16.
Radiation that was left over since the beginning of the Universe:
Radiation that was left over since the beginning of the Universe
17.
Model of Galaxy formation where a gas cloud collapses and then stars are made (all the same age stars):
Model of Galaxy formation where a gas cloud collapses and then stars are made (all the same age stars)
18.
Model of Galaxy formation where smaller building blocks combined through gravitational forces to build a galaxy:
Model of Galaxy formation where smaller building blocks combined through gravitational forces to build a galaxy
19.
A gradual change of a galaxy's size, shape and composition:
A gradual change of a galaxy's size, shape and composition
20.
The technology that allows us to study black holes:
The technology that allows us to study black holes
Column B
Column B
a.Groups & Clusters
b.Outside-in model
c.Elliptical Galaxy
d.Dark Matter
e.Event horizon
f.Galaxy
g.Gravity
h.Inside- out model
i.Electromagnetic waves
j.Spiral Galaxy
k.Singularity
l.Dark energy
m.Radio Telescope
n.Nebula
o.Black Hole
p.Supernova
q.Evolution
r.Cosmic Microwave background
s.Baryonic matter
t.Irregular Galaxy

Answer 1

Here are the correct matches between the terms in Column A and their definitions in Column B:

1. When a large star explodes, it is called a p. Supernova.
2. A cloud of gas that is present both at the birth and death of a star: n. Nebula.
3. Dark matter, stars, dust, and gas all make up a f. Galaxy.
4. The #1 force that holds a galaxy together: g. Gravity.
5. Waves of energy given off throughout space: i. Electromagnetic waves.
6. A vacuum at the center of a galaxy: o. Black Hole.
7. Galaxies gather in a. Groups & Clusters to form the universe.
8. Galaxy that is flat, with older stars and not much gas/dust: c. Elliptical Galaxy.
9. Most common galaxy that is coiled, with newer stars on its "arms" and a moderate amount of gas/dust: j. Spiral Galaxy.
10. Galaxy that is smaller and younger, not well formed, and has a lot of gas/dust: t. Irregular Galaxy.
11. During the formation of a black hole, the core of a star collapses into one super dense point called a k. Singularity.
12. The area around a black hole where light and matter cannot exit is called the e. Event horizon.
13. 5% of the universe is this type of "ordinary matter" made up of atoms: s. Baryonic matter.
14. 25% of the universe is made up of this atypical matter that does not interact with radioactive energy but clearly has gravitational pull: d. Dark Matter.
15. 70% of the universe is made up of this dynamic (but mostly unexplained) energy: l. Dark energy.
16. Radiation that was left over since the beginning of the Universe: r. Cosmic Microwave background.
17. Model of galaxy formation where a gas cloud collapses and then stars are made (all the same age stars): h. Inside-out model.
18. Model of galaxy formation where smaller building blocks combined through gravitational forces to build a galaxy: b. Outside-in model.
19. A gradual change of a galaxy's size, shape, and composition: q. Evolution.
20. The technology that allows us to study black holes: m. Radio Telescope.

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