1. Astronomy Unit Test Review
Feel free to use your notes!

2. What is astronomy? A book Study of stars and planets
Science focusing on situations outside of Earth’s atmosphere
A and B are correct
B and C are correct
All the answers are correct

3. What made astronomy a valid and modern science?
The invention of microscopes
Telescopes came into the picture
Celestial objects were easy to see with the naked eye
B and C are correct
A and B are correct
All answers are correct

4. Define phenomena Objects Situations
Stuff that happens only outside of Earth’s atmosphere

5. Define professional
Related to a specific profession
Unworthy
General

6. Define naked eye
Eye without clothes
Seeing through the eye without assistance of other tools
Seeing things with glasses only

7. Geocentric theory says that
The sun is at the center of the universe
Earth is at the center of the universe with the Sun, Moon, and stars rotating around it
The Moon is at the left corner side of the universe with the Sun at the center with Earth

8. What was one of the earliest Babylonian discoveries?
That the sun is at the center of the universe
Lunar eclipses occur in a repeating cycle
Galileo Galilei was wrong about his astronomical observations

9. What is a supernova?
A big planet
A dim star that is reduced in size due to explosions
A star that increases its brightness due to explosion

10. What did Copernicus propose?
That heliocentric model of the solar system indeed existed
That Galileo was wrong about the geocentric theory
Both A and B

11. What is the heliocentric theory?
It stated that the sun is at the center of the universe surrounded by Earth and other celestial bodies
A valid theory stating that Earth is at the center of the universe with the Sun, Moon, and other celestial bodies rotating around it
A fallacy about Earth being at the center of the universe

12. What is Newton famous for?
Law of gravitation to explain the motion of the planets
Development of the reflecting telescope
Both A and B

13. How did astronomy become more accurate and knowledgeable?
New scientists with bigger brains were able to do complicated mathematical problems
New technology came into the picture, such as the spectroscope and photography
Both A and B

14. Define existence
Fact of living
Disappearance
Growth

15. Define universe
The solar system itself
All existing space and matter
a group of stars responsible for providing light to Earth