Instructions: Answer the questions below.  do submit your work in a professional-looking format. Do not copy-and-paste answers; use your own words.

Use complete sentences, correct spelling, proper punctuation, and appropriate grammar.

Submit your answers as Week 2: Assignment 2.Acceptable file types include: .docx, .doc, .rtf, or .pdf.

1. Describe how a reaction engine works.
2. In a chemical rocket where is the exhaust pressure the highest and how is it maintained?
3. What are the advantages of using solid propellant rockets?
4. Explain the difference between a chemical engine and an ion engine.
5. Explain what specific impulse means.
6. Describe each of the following parts of the Sun: photosphere, chromosphere, corona, and core.
7. What is a solar flare?
8. Describe what a cosmic ray is.
9. Where are asteroids concentrated in our solar system and how many have been cataloged? [Note: Information in our text book regarding this is a bit outdated. You should be able to find more up-to-date information online.
10. Describe some of the many benefits satellites provide.
11. Where would you place power satellites in orbit and why?
12. What has been discovered using radar mapping?
13. What is the purpose of the Mission to Planet Earth program?
14. What are sunspots and why are they visible on the suns surface?
15. All spacecraft create a contaminated atmosphere that travels with them. Give examples of those contaminates.