Astronomy : Part B

15 Points Per Correct Answer - No time limit  

1. We'll start with an easy question. The first telescope to be used for astronomy purposes by Galileo Galilei was which kind of telescope? unknown reflector refractor Schmidt-Cassegrain

2. To astronomers anything that interferes with observing, such as smog, fog, and dust, is called what? sky pollution air pollution light pollution pollution

3. The word gibbous(used to describe the moon during the waxing and waning phases when more than half of the moon can be seen) is a Middle English word meaning what? growing bulging swallowing full

4. The reflecting telescope was first built by what Scottssman? Charles Messier Isaac Newton James Gregory Guillaume Cassegrain

5. What is the angular size of the moon? half of a degree 1800 arcseconds 30 arcminutes All of the other answers are correct

6. One parsec is equal to what? 150,945 A.U. 302,481 A.U. 197,694 A.U. 206,265 A.U.

7. A star of spectral class B has a surface temperature of what? 6,000 K 7,000 K 10,000-28,000 K 10,000 K

8. Who is considered to be the father of radio astronomy? Edwin Hubble Thomas Edison Clyde Tombaugh Karl Jansky

9. The famous Perseid meteor shower is well known. A lesser known fact is the comet it orginates from. What is the parent comet of the Perseids? Encke 3200 Phaeton Halley 1862III (Swift-Tuttle)

10. One last meteor shower question. One particular meteor shower isn't usually very big. It usually produces about 10 meteors per hour. However, once every 33 years the earth intersects the densest part of the debris path producing about 1,000 meteors a minute! What is the name of this extraordinary meteor shower? Draconids Orionids Leonids Beta Taurids