Astronomy test 3 questions Test is Friday May 16
1. How old is the solar system?
2. What event helped the formation of the solar system 
3. The solar system is mostly composed of?
​4. The largest planet in the solar system?
5. Terrestrial planets are made mostly of?
6. Gas giants are mostly made of?
7. What is the Kuiper Belt?
8. What is the Oort Cloud?
​9. What moons in the solar system might have life?
10. What planet in the solar system has the greatest orbital velocity ?
11. List the planets in order of distance from the sun.☀️ 
12. How do we think this moon formed?
13. What is the Grand Tak Theory?
14. How many exoplanets have been discovered?

Astro test 2 is tomorrow March 28. The exam is over electromagnetic radiation, refraction, atomic spectra, and Doppler effect. You should be able to answer the following questions.

1. What range of the EM spectrum is visible to humans?
400 - 700 nm (nanometer = 10 to the minus 9 meters.

2. What are the general classifications of the EM spectrum from short to long wavelength?
gamma
x ray

ultraviolet 

visible ( vibgyor )

infrared 

microwave

radio

3. What types of em waves can penetrate the earth’s atmosphere? Visible and radio

4. When light travels through glass or water it can bend. What is this called? Refraction 

​5. Telescopes that use lenses are called? Refractors

6. Telescopes that use mirrors are called? Reflectors

7. The biggest optical telescope in the world is called the? EEFT

8. All astronomical telescopes are (optical)? Reflectors

9. Where are optical astronomical telescopes located? On mountain tops.
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3. What is black body radiation?
4. What happens when you jiggle an electron?
​5. How are atomic spectra generated?

Astronomy test 1 is Monday March 10

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