Quiz Answer Key and Fun Facts
1. The word 'astrophysics' is based on Greek words. Do you know which of these bodies 'astro' translates to?
2. Some astrophysicists study about the luminosity of stars. What other word could you use to describe luminosity?
3. One theory in astrophysics is one about the creation of the universe. Many scientists believe that a small, dense mass blew up and expanded, thus creating the universe. Some believe it is still expanding. What is this theory popularly known as?
4. Scientists who study astrophysics might also learn about the chemical composition of planets. Which of these planets could you not stand on because it is mostly gas?
5. Astrophysicists sometimes study about the temperature of stars. Which of these stars would be the hottest?
6. Scientists who study astrophysics are also sometimes interested in the density of planets. Density relates to both mass and weight. Which of these planets, known for its rings, is the least dense, and would float in water?
7. Astrophysicists sometimes study galaxies. The word "galaxy" comes from the Greek, a word meaning what?
HINT: Thinking of our own galaxy might help.
8. Some astrophysicists like to study about the death of stars. When certain types of stars get too old, they do not have enough energy to sustain their own gravity, and then collapses. What might appear in the place of a collapsed star?
9. An astrophysicist might study the sun. He could tell you that the sun is so big that over one million earths can fit inside of it. That means the sun is extremely large.
Is our sun the largest star in the universe?
10. Astrophysics also sometimes deals with moons. Earth has one moon, which is named Luna. Which of these moons belongs to Saturn?
Source: Author
salami_swami
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NatalieW before going online.
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