The Cambridge Star Atlas, by Wil Tirion, is ideal for both beginners and more experienced observers. The atlas covers both northern and southern latitudes. The clear, full-colour maps show all naked eye stars, and 900 clusters and galaxies visible with binoculars or a small telescope. The at...
Bedrock breakthrough in Antarctica A team of scientists from nine nations, led by Victoria University's Dr Nancy Bertler, have made a huge breakthrough in Antarctica - successfully drilling more than 760m through the ice to the bedrock, on an island in the Ross Sea. The international project has b...
Title: IRS-TR 12002: Constructing a Short-Low Truth Spectrum of the Standard Star HR 6348 Authors: G.C. Sloan, D. Ludovici This report describes in detail the generation of a "truth" spectrum of HR 6348, using observations with the Short-Low (SL) module of the Infrared Spectrograph o...
Scientists are studying a strange explosion that appeared on February 18, 2006, about 440 million light years away in the constellation Aries.
The "before" image on the left is from the Sloan Digital Sky Survey.
The "after" image on the right is from NASA Swift's Ultraviolet/Optical Telesc...
The Age of the World's Oldest Timber Constructions is determined Scientists of the University of Freiburg document highly-developed construction techniques of wells built by early neolithic settlers. A research team led by Willy Tegel and Dr. Dietrich Hakelberg from the Institute for Forest G...
The transit will be best viewed from the Pacific Ocean. North America will be able to see the start of the transit, while South Asia, the Middle East, and most of Europe will catch the end of it. The transit will not be visible in most of South America or western Africa. Venus starts to cross the solar limb...
Ira Sprague Bowen (December 21, 1898 - February 6, 1973) was an American astronomer. In 1927 he discovered that nebulium was not really a chemical element but instead doubly ionised oxygen. Read more
A Soyuz rocket with the Soyuz TMA-03M/29S spacecraft is scheduled to launch to the International Space Station from the Baikonur Cosmodrome, Kazakhstan, at 13:16 GMT, 21st December, 2011. Expedition 30 begins with the Soyuz TMA-02M undocking in November 2011. Three new crew members will arrive...
Apollo 8, the second manned mission in the American Apollo space program, was the first human spaceflight to leave Earth orbit; the first to be captured by and escape from the gravitational field of another celestial body; and the first crewed voyage to return to Earth from another celestial body - E...
Luna 13 (E-6M series) was an unmanned space mission of the Luna program, also called Lunik 13. The Luna 13 spacecraft was launched toward the Moon from an earth-orbiting platform and accomplished a soft landing on December 24, 1966, in the region of Oceanus Procellarum. Read more
Snow White and the Seven Dwarfs is a 1937 American animated film based on Snow White, a German fairy tale by the Brothers Grimm. It was the first full-length cel-animated feature in motion picture history, as well as the first animated feature film produced in America, the first produced in full colo...
HMS Challenger was a steam-assisted Royal Navy Pearl-class corvette launched on 13 February 1858 at the Woolwich Dockyard. She was the flagship of the Australia Station between 1866 and 1870. She was picked to undertake the first global marine research expedition: the Challenger expedition. To...
On December 21, 1913, Arthur Wynne, a journalist from Liverpool, England, published a "word-cross" puzzle in the New York World that embodied most of the features of the genre as we know it. This puzzle is frequently cited as the first crossword puzzle, and Wynne as the inventor. Read mo...
Northern winter begins on at 18:35 UT Wednesday, December 21st, when the sun reaches its southernmost declination of the year.
In the Southern Hemisphere it is the start of their summer.
The Earth is at Perihelion (nearest to the Sun) on January 2nd at 01:00 UT
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The Divalia was a Roman festival held on December 21st, in honour of the goddess Angerona, whence it is also called Angeronalia. On the day of this festival the pontifices performed sacrifices in the temple of Voluptia, or the goddess of joy and pleasure, who, some say, was the same with Angerona, and...
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