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Eclipses

Pictures related to my eclipse articles at Astronomy.BellOnline.Com, "Solar Eclipses" http://www.bellaonline.com/articles/art28395.asp and "Lunar Eclipses" http://www.bellaonline.com/articles/art28454.asp solar

Headlines in the New York Times November 10, 1919. The results from the English eclipse expeditions confirmed Einstein's predictions in his theory of general relativity. It was sensational.

Eclipsed moon with turquoise fringe. 2014-04-15. (Image: Robert & Elisabeth Slobins) Prof Richard Keen says that "most of the light illuminating the Moon passes through the stratosphere, and is reddened by scattering. But light passing through the upper stratosphere penetrates the ozone layer, which absorbs red light & actually makes the passing light ray bluer!"

Geometry of a solar eclipse. Since the Moon is small compared to Earth its shadow is narrow. Any place where the darker part of the shadow (the umbra) falls would have a total eclipse, but within the outer part of the shadow (the penumbra) the eclipse is only partial. Mona Evans, "Solar Eclipses" www.bellaonline.c...

Phases of the Moon. A solar eclipse can only occur at the new Moon because that's the only time that Sun, Moon and Earth could line up with the Moon blocking the Sun from our view. ©Mona Evans, “Solar Eclipses” www.bellaonline.c...

If you were on the Moon during a total lunar eclipse, you'd see a total solar eclipse. It might look something like this, with the Earth's nightside faintly shining. (Credit: Hana Gartstein) Mona Evans, "Lunar Eclipses" www.bellaonline.c...

If you were on the Moon during a lunar eclipse, you'd see a solar eclipse. French astronomer and artist Lucien Rudaux imagines the scene. Earth's disk is black here, but except for a very dark eclipse, Earth's night-side would be faintly visible. And the Sun's corona wouldn't be because the Earth's disk would cover it. Mona Evans, "Lunar Eclipses" www.bellaonline.c...

Lunar eclipse geometry. There are two parts to the Earth's shadow: the penumbra and the umbra. The umbra is darker because Earth blocks the Sun's direct rays, but there is some direct sunlight in the penumbra. You would scarcely notice the subtle darkening of the Moon passing through the penumbra. (Credit: Fred Espenak) Mona Evans, "Lunar Eclipses" www.bellaonline.c...

Visibility of lunar eclipse April 15, 2014. eclipse.gsfc.nasa... (Credit: Fred Espenak) Mona Evans, "Lunar Eclipses" www.bellaonline.c...

Hybrid solar eclipse 2013-11-03. A montage of images of the total eclipse seen from Gulu, Uganda. (Credit: Balraj Chauhan) Mona Evans, “Solar Eclipses” www.bellaonline.c...

Solar eclipse, Kenya 2013-11-03. Gloria Project. (Credit: J.C. Casado)

Solar Eclipses: An Observer's Guide (Infographic) - When the moon covers up the sun, skywatchers delight in the opportunity to see a rare spectacle. Mona Evans, “Solar Eclipses” www.bellaonline.c...

First photograph of a solar eclipse. This daguerreotype image was taken of the 1851 eclipse by Berkowski of the Royal Observatory in Königsberg, Prussia. (Public domain image). Mona Evans, "Photography and the Birth of Astrophysics" www.bellaonline.c...

A partially eclipsed setting Sun as seen from Dallas, Texas on May 20th, 2012. This weekend's eclipse will offer U.S. East Coast residents a similar sunrise view. (Credit: Jason Major/Lights in the Dark). Mona Evans, “Solar Eclipses” www.bellaonline.c...

Partial Solar Eclipse with Airplane (Image Credit & Copyright: Phillip Calais) May 2013, from Fremantle, Australia. The Moon is obscuring part of the Sun’s disk. Also present an interesting layered cloud and an airplane. (Pinned from Astronomy Picture of the Day) Mona Evans, “Solar Eclipses” www.bellaonline.c...

Sun eclipsed by Earth (left) and Moon (right). (Image credit: NASA/SDO) The Solar Dynamics Observatory orbits Earth in such a way that very occasionally it lines up with Earth & Sun (or Moon & Sun) to cause an eclipse. The Moon's shadow is better-defined & more curved than Earth's, because the Moon has no atmosphere, and is smaller and farther away from the Satellite.

Solar eclipse, Cairns, Australia 2012. The eclipsed Sun reappearing and peeking through the clouds. (Photo: Bob Winter) ©Mona Evans, “Solar Eclipses” www.bellaonline.c...

Solar corona, 2012 eclipse in Australia. A composite image, "typical of solar maximum, very intricate and chaotic structure", taken by Francisco Diego. ©Mona Evans, “Solar Eclipses” www.bellaonline.c...

Diamond ring at the start of totality. Solar eclipse November 2012, Clifton Beach, Queensland, Australia. (Photo: Camilla_SDO) ©Mona Evans, “Solar Eclipses” www.bellaonline.c...

Total eclipse, Australia November 2012. The clouds have parted long enough to see the solar corona at the time of totality. (SLOOH SpaceCamera - Live Event) ©Mona Evans, “Solar Eclipses” www.bellaonline.c...

Partial lunar eclipse, June 2012. In the foreground is a tributary of the Shoshone River, with the Absaroka Mountains near Cody, Wyoming, USA. Beautiful shot of the Moon against a stunning landscape. (Photo & copyright: Mack H. Frost) ©Mona Evans, “Lunar Eclipses” www.bellaonline.c...

There are two parts to the Earth's shadow: the penumbra and the umbra. The umbra is darker because Earth blocks the Sun's direct rays, but there is some direct sunlight in the penumbra. You would scarcely notice the subtle darkening of the Moon passing through the penumbra. (Diagram: Fred Espenak) ©Mona Evans, “Lunar Eclipses” www.bellaonline.c...

Orbits of Earth and Moon. Looking at a two-dimensional diagram, you might wonder why there isn't an eclipse every month. The answer is that the Moon's orbit is slightly tilted with respect to the Earth's orbit. The two points where its orbit crosses Earth orbit are called nodes. Only if the Moon is full when it's near a node do the Sun, Earth and Moon line up for a lunar eclipse. ©Mona Evans, “Lunar Eclipses” www.bellaonline.c...