Eclipses and Motion of the Moon Chapter 2 Survey of Astronomy astro1010-lee.com
Sidereal Day and Synodic Day Chapter 2 Survey of Astronomy astro1010-lee.com
Lunar Phases Chapter 2 Survey of Astronomy astro1010-lee.com
Solar Eclipse Chapter 2 Survey of Astronomy astro1010-lee.com
Lunar Eclipse Chapter 2 Survey of Astronomy astro1010-lee.com
Lunar Eclipse The reddish light in the Earth’s umbra that allows the moon to be seen even during a Total Eclipse is due to the long visible waves being bent by the Earth’s atmosphere, Chapter 2 Survey of Astronomy astro1010-lee.com
Lunar Eclipse During passage through the Earth’s shadow the Moon can encounter partial shadow, complete shadow or both during its transit Chapter 2 Survey of Astronomy astro1010-lee.com
Because the plane of the Earth’s a orbit and the plane of the Moon’s orbit are not the same, eclipses can occur only when the Sun, Moon and Earth are all on the same line or where the planes cross. Chapter 2 Survey of Astronomy astro1010-lee.com
Aristarcus of Samos (250 bc ) Interested in eclipses Studied everything he could find Recognized the geometry Sun large and a long way away Moon much smaller and nearer Concluded Earth revolves around the Sun Earth rotates on its axis Moon revolves around the Earth Chapter 2 Survey of Astronomy astro1010-lee.com
The Old Greeks Aristotle Phases of the Moon Hipparchus Star Charts System of Stellar Magnitude Precession Aristarcus Sizes Erotosthenes Circumference of the Earth Chapter 2 Survey of Astronomy astro1010-lee.com
Go to Chapter 3 Chapter 2 Survey of Astronomy astro1010-lee.com