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Solar eclipse

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Intro to Astronomy

Definition

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking all or part of the Sun's light. This alignment can cause a shadow to fall on parts of the Earth, creating various types of eclipses such as total, partial, and annular.

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5 Must Know Facts For Your Next Test

  1. Solar eclipses only occur during a new moon when the Sun, Moon, and Earth are aligned in a straight line.
  2. The path of totality is the narrow track where a total solar eclipse is visible; outside this path, observers see a partial eclipse.
  3. During an annular solar eclipse, the Moon covers the center of the Sun, leaving a ring-like appearance known as the 'ring of fire'.
  4. Total solar eclipses are relatively rare at any given location on Earth because they require precise alignment.
  5. The duration of totality in a total solar eclipse can last up to about 7.5 minutes but is typically much shorter.

Review Questions

  • What phase must the Moon be in for a solar eclipse to occur?
  • Explain what is meant by 'path of totality' during a solar eclipse.
  • How does an annular solar eclipse differ from a total solar eclipse?
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