Astronomer's Blog

Constellation Volans, the Flying Fish

Pages 1 and 2 of the constellation, Volans, the Flying Fish

Best night for viewing - Beginning at Sunset - January 17 --- and ending at --- Sunrise - January 18

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By Warren Hart
July 14, 2016
Constellation Vulpecula, the Fox

Pages 1 and 2 of the constellation, Vulpecula, the Fox

Best night for viewing - Beginning at Sunset - July 27 --- and ending at --- Sunrise - July 28

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By Warren Hart
Direct (Prograde) and Retrograde Motion

The following definitions and 9 diagrams should help explain and visualize direct (prograde) and retrograde motions

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By Warren Hart
September 17, 2015
Phases of the Moon

Two views of the relationship between the Sun, Earth, and the Moon

(1) As seen from the Earth

(2) As seen from above the Earth's North Pole

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By Warren Hart
September 17, 2015
Solar and Lunar Eclipses

These six pages illustrate why there is not a Solar eclipse every time there is a 'New' Moon and why there is not a Lunar eclipse every time there is a 'Full' Moon

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By Warren Hart