... 2001 December 6 . Comet Linear (WM1) Brightens . ... Explanation: A comet bright enough to be seen with binoculars is swooping into southern skies. Comet C/2000 WM1 (LINEAR) continues to brighten and develop tails as it nears its closest approach of the Sun in late January 2002. ... In the above picture from the Curtis Schmidt 0.6-meter Telescope in Chile , a 30-second exposure in red on December 4 captured detail in Comet LINEAR WM1's emerging dust tail . ... About APOD | ...

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... December 30, 1998 . Supernova 1994D and the Unexpected Universe . Credit: High-Z Supernova Search Team , HST , NASA . Explanation: Far away, long ago, a star exploded. ... Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae . ... The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe . ... About APOD > . ... NASA Technical Rep.: ...

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The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... That produces an extra resistance to the flow of current. ...

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... The expansion is measured as a number called the Hubble Constant . ... Our value is about 20% lower than the one got with the Hubble Space Telescope in 1994," said Dr Jim Lovell, leader of the team that made the measurement. The Hubble Constant is named after American astronomer Edwin Hubble, who in the 1920s found that other galaxies were moving away from ours. ... The Hubble Constant links the galaxy's distance with its speed." ... A short run-down on the Hubble Constant: . ...

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... The bright object in the center of the false color gamma-ray image above is quasar 3C279, a nondescript, faint, starlike object in the visible sky. A Quasar-Galaxy Collision? ... In 1963 astronomers were astounded to discover that certain faint, star-like objects have very large redshifts. ... The surface of Titan, Saturn's largest moon, is normally hidden from view by its thick, hazy atmosphere. ... Stars orbit the center of the cluster, and the cluster orbits the center of our Galaxy. ...

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• Space Laser Creates Artificial Star

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

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... Armagh Planetarium . ... Universe . ... January . ... Posted on January 21, 2011 | No Comments Don Pollacco, a research astronomer at Queens University Belfast, came to Armagh Planetarium to give a fascinating talk on exoplanets in January 2011. ... No Comments Armagh Planetarium kicked off 2011 in style with some amazing astronomy-based events in association with the€а BBC. Sinead McNicholl has a personal report of our part in the exciting Stargazing [ ] . ... Newer Entries . ...

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Astronomy Articles . Articles | ... Moon | ... Astronomy Binoculars - The Skies The Limit - by Scott Gray, September 2006 . ... Astronomy Terms - To Help You Study The Universe - by Scott Gray, October 2006 . ... Himalia is the only moon other than Europa, Ganymeade, Callisto and IO visible with small telescopes. ... The Harvest Moon refers to the Full Moon that comes closest to the autumnal equinox, or the first day of autumn. ... Think the study of stars is best left to professional astronomers? ...

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... Well, there are at least a million times more galaxies in the Universe than there are human beings! ... These newcomers are bigger and brighter than anything else in space, and if that wasn't interesting enough, they also glow bright green! This has led astronomers to name them 'green bean' galaxies (look at the little green bean-like spot in the middle of this space picture). ... We think that they shine so brilliantly because of a black hole at their centre. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Armagh Observatory, 1st December 2015: This year s Geminid meteor display, the best of the annual meteor showers, will be visible from approximately the 7th to 17th December, peaking on the evening of the 14th. ... Unlike most meteor showers, however, which originate from dust grains ejected into space by comets, the Geminid meteors originate from an unusual near-Earth asteroid, namely (3200) Phaethon. ...

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... Home Education Workshops at Adorama Astro Imaging Workshop: Planetary Astro Imaging with a DSLR ? December 7, 2014 . ... Astro Answers . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama€а For the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... Aurora from Space . ... Magnetic Storms . ... The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... Why no aurora at the magnetic poles? ...

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... The sharp vision of Hubble's Advanced Camera for Surveys uncovered the speedy white dwarfs in the ancient globular star cluster NGC 6397, a dense swarm of hundreds of thousands of stars. ... The distribution of young white dwarfs is the exact opposite of what we expected," said astronomer Harvey Richer of the University of British Columbia in Vancouver. ... The idea that young white dwarfs are born with a kick was suggested 30 years ago to explain why there were so few of them in open star clusters....

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Project Tanagra Timing Analysis of Grating Data Vinay Kashyap (SAO) Jennifer Posson-Brown, Jeremy Drake, Kathy Reeves, Steve Saar (SAO), Raymond Wong, Thomas Lee (UC Davis), Alanna Connors (Eureka), Jeff Scargle (NASA/Ames) Tuesday , December 13, 2011 1 Darmok Tuesday , December 13, 2011 2 Darmok and Jalad at Tanagra Tuesday , December 13, 2011 3 Lightcurves and spectra with Chandra A different kind of dataset ...

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... Moon . ... What can astronomers tell us about the different colors on the surface of Jupiter's moon Europa? ... We can use the colors of Europa s surface to tell us about the chemical compounds that make up the surface and subsurface of the jovian moon. Even before the first spacecraft made a close visit to Europa, astronomers on Earth used telescopes to study the moon and were able to use a technique called spectroscopy to determine that Europa s surface is composed mostly of water ice. ...

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home resources > books . SEARCH ASP SITE: Match ALL words Match ANY word . ... Buy The Black Hole at the Center of our Galaxy at Amazon.com! Reviewed by Terrell Kent Holmes . In 1974 astronomers discovered a bright radio source at the center of the Milky Way Galaxy, in the direction of the constellation Sagittarius. It was an unknown quantity then, but astronomers now know that the object is a supermassive black hole causing a maelstrom of activity at the galactic center. ...

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... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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Definitions of Magnitudes and Surface Brightness 1 The magnitude system 1.1 Apparent magnitude Astronomers are stuck with the antiquated old system of magnitudes and so a clear explanation of what this system is and how it relates to more sensible units is important. ... 1.2 Absolute magnitude Absolute magnitude is a logarithmic luminosity scale. ... One usually goes by the round about process of referring to the absolute magnitude of the sun. ... Magnitudes and surface brightness 6/6 ...

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In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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