Origin of the Universe and Galaxy Review

Question 1

Which is the smallest?

Accepted Answer

The Earth

Question 2

What kind of galaxy is this?

Accepted Answer

elliptical

Question 3

Which galaxy has little amounts of gas and dust, old stars, and looks like this....

Accepted Answer

Elliptical

Question 4

.. has some gas and dust, with bright young stars.. it looks like this.

Accepted Answer

Spiral

Question 5

The belief that the sun is the center of our solar system is the .........

Accepted Answer

Heliocentric theory

Question 6

... is a huge group of star, star systems, dust and gas bound together by gravity.

Accepted Answer

Galaxy

Question 7

Where is our solar system located in the Milky Way?

Accepted Answer

The orion belt

Question 8

What did Galileo observe that supported the heliocentric theory?

Accepted Answer

The phases of Venus

Question 9

What theory states the Earth is the center of the solar system?

Accepted Answer

Geocentric

Question 10

From the oldest to recent, which of these is the correct order?

Accepted Answer

Big Bang, Nebula, Sun

Question 11

A _______ started spinning to create our sun and solar system.

Accepted Answer

Nebula

Question 12

What kind of galaxy is the Milky Way?

Accepted Answer

Spiral

Question 13

.......... is all of space and everything in it.

Accepted Answer

Universe

Question 14

How many different types of galaxy's exist in space?

Accepted Answer

3

Question 15

After the Big Bang, gravity pulled stars together to form ______

Accepted Answer

Galaxies

Question 16

...... has a lot of gas and dust, has no definite shape, and it has new stars.

Accepted Answer

irregular

Question 17

Which scientist/astronomer supported the heliocentric model along with Copernicus?

Accepted Answer

Galileo

Question 18

Which is the largest?

Accepted Answer

Universe

Question 19

......is the idea that the universe was created by a huge explosion 14 billion years ago.

Accepted Answer

Big Bang Theory

Questions 19