Our Universe MCQ – Chapter II

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Our Universe MCQ – Chapter II

1 Who discovered the Milky Way galaxy first?

Galileo Galilei through his telescope in 1610

2 Why is our galaxy called the Milky Way?

Because it appears as a milky band of light in the sky

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3 How fast is the Milky Way galaxy moving through space?

About 828,000 km/h

4 How many stars and planets Milky Way galaxy contain?

About 100-400 billion stars and 100 billion planets

5 Where is our galaxy in the universe?

Virgo Supercluster

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6 How old is the Milky Way?

13.51 billion years

7 What is the black hole in the Milky Way called?

Sagittarius A

8 What is the name of the black hole located at the center of our galaxy?

Sagittarius A

9 What kind of galaxy is the Milky Way?

Spiral Galaxy

10 How the Milky Way got its name?

Because it appears as a milky band of light in the sky

11 Is the Milky Way a spiral galaxy?

Yes            

12 How many stars does the Milky Way have?

100-400 billion

13 Is the Milky Way a barred spiral galaxy?

Yes

14 How old is the Milky Way?

13.51 billion years

15 What is the center of the Milky Way galaxy called?

Galactic Centre

16 What type of galaxy is the Milky Way?

Barred Spiral Galaxy

17 What is the name of region in space occupied by Milky Way?

Galactic Plane

18 How often our Sun complete its one round trip about the center of Milky Way galaxy?

Once in 225 million years

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