What causes an annular eclipse

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Astronomy 1. Reflections Questions

1. Which body is less easily seen during a Lunar Eclipse? During a Solar Eclipse?

2. What causes a Lunar Eclipse? Why do we not have one every month (or lunar cycle)?

3. What causes a Solar Eclipse? Why do we not have one every month (or lunar cycle)?

4. What are an umbra and a penumbra?

5. What is totality of a Lunar Eclipse? What is the duration of a lunar eclipse?

What is a partial Lunar Eclipse? What is a Penumbral Lunar Eclipse?

Reflections Questions:

1. People in the _________________ ______ _____________ get to see total Solar Eclipse.

2. How wide is the path of totality and how fast does it move across the Earth?

3. Define perihelion, aphelion, perigee, and apogee.

4. What causes an annular eclipse?

5. Roughly, what is the angular diameter of the Sun? Roughly, what is the angular diameter of the Moon? Do they ever change? If so, explain how.

6. What are nodes? What is the line of nodes and how much does it move?

7. How long is an eclipse season?

8. What is the Saros Cycle? What is the significance of 54 years and 34 days (your book say 54 years and one month)?

Reference no: EM131619648

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