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Astronomy: Total Solar Eclipse

Astronomy: Total Solar Eclipse. A total solar eclipse can be observed when the Moon moves between the Earth and the Sun, and the three celestial bodies form a straight line: Earth – Moon – Sun. The Moon completely covers the Sun, as seen from the Earth.

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Astronomy: Total Solar Eclipse

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  1. Astronomy: Total Solar Eclipse

  2. A total solar eclipse can be observed when the Moon moves between the Earth and the Sun, and the three celestial bodies form a straight line: Earth – Moon – Sun. The Moon completely covers the Sun, as seen from the Earth. Total solar eclipses are rare. They can only be observed during the New Moon phase, when the Moon passes directly between the Sun and the Earth and its shadows fall upon Earth’s surface. These shadows are Umbra and Penumbra.

  3. Umbra: A dark, slender cone-shaped shadow where all sunlight is completely blocked. Penumbra: A lighter, funnel-shaped shadow from which sunlight is partially blocked. During a total solar eclipse, the moon casts its umbra upon Earth’s surface. This can sweep a third of the way around the Earth in a few hours. Those who are positioned in direct part of the umbra will observe this occurrence. The solar eclipse can last up to 7 minutes and 31 seconds. When the Sun is completely obscured by the Moon, we can then observe its hot plasma atmosphere – the corona.

  4. Total Solar Eclipse: Video Click on the picture below to view the video.

  5. Websites These websites are recommended for further reading: • http://www.csiro.au/Outcomes/Understanding-the-Universe/Tracking-spacecraft/What-is-a-solar-eclipse.aspx This website provides additional information for you to read on solar eclipses. • http://www.timeanddate.com/eclipse/eclipse-tips-safety.html This website provides information and tips on how to safely view a solar eclipse. • http://www.softschools.com/facts/space/solar_eclipse_facts/436/ This website provides interesting fun facts for you to read about solar eclipses.

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