MARS LAKE PICTURE: First Proof of Ancient Shores Found
Rated • 35 reviews • astronomy • nationalgeographic.com
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AlokeKumar/astronomy
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Aloke is a 53 year old guy from Calcutta(kolkata), WB, India
We live in a fantasy world. I know this because I live in that world, and I actually receive my e-mail there.And, sometimes when I don't ,I think I am having a bad dream.......
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Simeis 147 (Color) - Supernova Remnant
Rated Mar 13 2009 • 34 reviews • astronomy • starimager.com
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Kepler biography
Rated Feb 06 2009 • 1 review • astronomy, german astronomer, motion of planets, biographies, johannes kepler • st-and.ac.uk
JOHANNES KEPLER
(1571-1630)
The German astronomer was one of the chief founders of modern astronomy because of his discovery of three basic laws underlying the motion of planets.
Johannes Kepler was born on Dec. 27, 1571, in the Swabian town of Weil. His father, Heinrich Kepler, was a mercenary; although a Protestant, he enlisted in the troops of the Duke of Alba fighting the Reformed insurgents in the Low Countries. Kepler's grandmother brought him up; for years he was a sickly child. At 13 he was accepted at a theological seminary at Adelberg.
Kepler wanted to become a theologian, and following his graduation from the University of Tübingen, in 1591, he enrolled in its theological faculty. His poor health and proclivity to morbidness singled him out no less than did his precocious advocacy of the doctrine of Copernicus.
It seems that the University of Tübingen gladly presented Kepler for the post of the "mathematician of the province" when request for a candidate came from Graz. He arrived there in 1594 and set himself to work on the almanac, in which the main events of the coming year were to be duly predicted. His first almanac was a signal success. The occurrence of two not too unlikely events, an invasion by the Turks and a severe winter, which he had predicted, established his reputation.
Far more important for astronomy was the idea that seized Kepler on July 9, 1595. It appeared to him that the respective radii of the orbits of the planets corresponded to the lengths determined by a specific sequence in which the five regular solids were placed within one another, with a sphere separating each solid from the other. The sphere (orbit) of Saturn enveloped a cube which in turn enveloped another sphere, the orbit of Jupiter. This circumscribed a tetrahedron, a sphere (the orbit of Mars), a dodecahedron, a sphere (the orbit of earth), an icosahedron, a sphere (the orbit of Venus), an octahedron, and the smallest sphere (the orbit of Mercury). The idea was the main theme of his Mysterium cosmographicum (1596).
It was with reluctance that Kepler, a convinced Copernican, first sought the job of assistant to Tycho Brahe, the astrologer-mathematician of Rudolph II in Prague. Kepler died in 1630. He was a unique embodiment of the transition from the old to the new spirit of science.
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Johannes Kepler - Wikipedia, the free encyclopedia
Rated Feb 03 2009 • 1 review • astronomy • wikipedia.org
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http://photos-h.ak.fbcdn.net/photos-ak-snc1/v663/98/90/82...
Rated Dec 09 2008 • 48 reviews • astronomy • fbcdn.net
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An Ode to the Fading Eye of the Hubble Telescope
Rated Dec 07 2008 • 82 reviews • astronomy • environmentalgraffiti.com
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http://www.shof.msrcsites.co.uk/pluto.jpg
Rated Nov 25 2008 • 138 reviews • astronomy • msrcsites.co.uk
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http://antwrp.gsfc.nasa.gov/apod/image/0809/uludag_tezel.jpg
Rated Nov 11 2008 • 73 reviews • astronomy • nasa.gov
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