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Author Question: Why are some solar eclipses total, and others annular? What will be an ideal ... (Read 56 times)

audragclark

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on: Jul 27, 2018
Why are some solar eclipses total, and others annular?
 
  What will be an ideal response?

Question 2

Which of the following properties of a star can be measured directly, during a single night at the telescope?
 
  A) parallax B) distance
  C) apparent brightness D) luminosity


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anyusername12131

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Reply #1 on: Jul 27, 2018
Answer to Question 1

The Moon's orbit is not a perfect circle. When the Moon is closer to Earth, it is big enough to cover the Sun completely; when it is too far away it appears smaller, so a ring of sunlight is still seen.

Answer to Question 2

C


audragclark

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Reply 2 on: Jul 27, 2018
Wow, this really help

peter

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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