• Lunar eclipses can only occur during a full moon.
  • Solar eclipses can only occur during a new moon.
  • A Solar eclipse always occurs two weeks before or after a lunar eclipse.
  • Eclipses very often occur in threes, alternating lunar, solar and lunar.
  • The maximum time a lunar eclipse can last is 3 hours and 40 minutes.
  • The longest time the Moon can stay in totality is 1 hour 40 minutes.
  • The maximum time for a total solar eclipse is 7 minutes and 40 seconds.
  • The maximum time for an annular solar eclipse is 12 minutes 24 seconds.
  • Lunar eclipses can occur up to 3 times a year.
  • Solar eclipses can occur at least 2 and no more than 5 times a year.
  • Lunar eclipses are visible over an entire hemisphere.
  • Solar eclipses are visible in a narrow path a maximum of 167 miles wide (269km.)
  • At any geographic position on the Earth, a total solar eclipse occur an average of once every 360 years.
  • The cycle of eclipses repeats every 18.6 years called the saros.
  • The eclipse shadow moves at 2,000 mph at the Earth's poles and 1,000 mph at the Earth's equator.
Courtesy: Starryskies.com

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