Astronomy

15 Points Per Correct Answer - No time limit  

1. Compared to the other planets in our solar system, where is the Earth? The _____ from the sun? closest middle rock furthest third rock

2. About how many stars could you see WITHOUT the use of a telescope or binoculars, if you were away from the city on a clear night? 2000 2 million 20 2 billion

3. What is a solar eclipse'? when the sun explodes when the sun moves between the earth and the moon when the sun emits solar flares when the moon moves between the earth and the sun

4. A group of stars named by ancient people because of heroes or animals they reminded them of is called a ... galaxy aurora borealis nebula constellation

5. Why do stars appear to twinkle when we look at them? stars are different colors the earth's atmospheric layers bend their light rays stars fluctuate their sizes only little stars twinkle

6. What is the name of the closest star to our Earth? Alpha Centauri Sol Polaris Andromeda

7. How far away from the Earth is our sun, approximately...? 93 trillion miles 93 light years 93 million miles 93 billion miles

8. Why do planets shine? planets have their own source of energy because we are not in a black hole our galaxy glows they reflect the sun

9. The word 'planet' comes from a Greek word meaning....? atlas fuzzy snowball wanderer large meteor

10. What is a 'nebula'? a fast moving comet the shadow of distant stars a new star a cloud of gas and dust