A team of U.S. and German astrophysicists have made the first ever detection of X-rays coming from a comet. ... Following the initial detection, the team reported repeated X-ray emissions from the comet over the next 24 hours. ... One preliminary theory is that X-ray emission from the Sun was absorbed by a cloud of gaseous water molecules surrounding the nucleus of the comet, and then were re-emitted by the molecules in a process physicists call "fluorescence." ... Comets . ...

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• Uranus' Moon Umbriel

New Satellites of Saturn . On July 26, 1995, Amanda Bosh of Lowell Observatory announced the discovery of at least two and perhaps four new satellites of Saturn . The discovery was based upon images taken by the Hubble Space Telescope on May 22, 1995, when Saturn's rings were tilted edge-on to the Earth . ... The two satellites S/1995 S1 and S2 lie inside Saturn's thin, eccentric "F" ring . ... The fourth satellite S/1995 S4 is 6,000 kilometers (3,700 miles) beyond the F ring. ... S/1995 S 3 . ...

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• The Discovery of the Galilean Satellites
• Uranus' Moon Umbriel
• Saturn's Moon Titan

... July 6, 1996 . Edmond Halley's Greatest Discoveries . Explanation: Sir Edmond Halley was quite a discoverer. Born in 1656, he computed in 1705 that a bright comet was periodic and would make another appearance in 1758. The comet appeared as predicted and is now known as Comet Halley . ... Perhaps Halley's greatest discovery, however, was that his contemporary Isaac Newton had discovered a powerful mathematical formulation of gravity. ... About APOD | ...

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• APOD: 2005 August 8 - Mars to Appear Normal this August
• APOD: 2013 February 10 - Asteroids in the Distance
• APOD: March 16, 1998 - Asteroids in the Distance

Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...

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• What is a pulsar?

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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• Bright Supernova pages - Statistics for 2012
• Bright Supernova pages - Statistics
• Bright Supernova pages - Statistics for 2000

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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• Neptune: discovered one year ago | Astronotes
• Kepler-10b: world of lava oceans? | Astronotes
• Supernova spotted by Irish astronomer | Astronotes

... Mars to Appear Normal this August . ... So, while enjoying the anticipated space weather, astronomer Fred Bruenjes recorded a series of many 30 second long exposures spanning about six hours on the night of August 11/12 using a wide angle lens. ... Has a tenth planet been discovered? A newly discovered object, designated 2003 UB 313 and located more than twice the distance of Pluto, is expected to be at least as large as Pluto and probably larger, given current measurements. ... August . ...

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... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... A team of Japanese scientists including Armagh astronomer Dr David Asher have announced the discovery of the second largest known Earth-crossing asteroid. The group is based at the new Japanese Spaceguard Centre at Bisei, west of Osaka. ... The subsequent tracking and orbit determination was assisted by Armagh asteroid expert David Asher, who is currently visiting Japan to help in the setting up of the new Spaceguard Centre funded by the Japanese government. ...

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• HISTORICAL BACKGROUND
• Historical Background
• Spread of Life through the Galaxy

Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

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• Detection of unique bright radio flare of X-ray binary
• Galaxy sector, archive 2013
• New LBV Stars in the Andromeda Galaxy

In autumn 1994, two groups of astronomers announced that they had discovered Cepheid variable stars in a distant cluster of galaxies. ... As the term suggests, variable stars change in brightness over time. ... Variable stars are an ideal way to get high-school students doing real science, with real data, from the real sky. ... a sky chart to find the stars . ... Students can use the nearby stars to estimate the magnitude of Delta. ... Locate the star Delta in Cepheus and estimate its brightness . ...

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• ASP: Book Review
• ASP: What Have We Learned About Halley's Comet?
• ASP: Beacons in the Gloom

Check out the new images (Jan 18-25) and (Jan 26-Feb 05) of the comet by Rob McNaught. ... Every few years a comet becomes bright enough to be easily seen with the naked eye but only every decade or so are these comparable with comets like Halley. ... Before Jan 13, the comet is not visible in the Australian sky after sunset. ... SOHO images . ... On Jan 12 at approximately 09:00 UT (8pm NSW time), comet C/2006 P1 McNaught appears at the 11 o'clock position in the images. ... STEREO images . ...

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• Siding Spring Survey Follow-up Obs

... Be Stars . ... Stellar Winds . ... He had found the first emission line star. ... More emission line stars were found soon, and one had to make subclasses to keep some overview. Cas is a main sequence B-type star, and together with other such stars showing hydrogen emission it forms the class of "Be stars", where the "e" stands for emission. ... Struve further speculated that those stars would be surrounded by a disk, basically thrown off the stellar surface by the rapid rotation. ...

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• VISTA view of the newly discovered globular cluster VVV CL001 and its brighter
• Unexpected Changes of Bright Spots on Ceres Discovered | ESO
• The Unexpected Past of a Dwarf Galaxy | ESO

... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... A newly discovered comet glows in the morning sky . ... Working independently, Japanese observers Kaoru Ikeya and Shigeki Murakami just discovered a new visitor from deep space: Comet C/2010 V1 (Ikeya-Murakami). ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email...

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• Astronomers recently discovered that Scholz's star passed close to the Sun
• Astronomers recently discovered brown dwarfs of only a few hundred degrees
• Astronomers discover a new kind of supernova | Astronomy.com

... 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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... The name Discovery Date mag Size(m) Publication MASTER -Observatory --------------------------------------------------------------------------------------------------------------------------- HAZARDOUS ASTEROIDS : 7 MASTER HAZARD Asteroid 2015 UM67 2015 Oct 28.88218 16.9 940m MPEC 2015-V01 MASTER -SAAO automatically MASTER software 6 MASTER rediscovered HAZARD Asteroid 2011 QG21 2015 Aug 17.94764 17.2 300m MPEC 2015-Q28 ...

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• MASTER GLOBAL ROBOTIC TELESCOPES NET

... The SN 1998bv discovered on April 6, 1998 in the blue compact galaxy HS 1035+4758 is the second supernova observed in a low-mass galaxy with intense SF burst. ... According to its characteristic spectrum, SN 1998bv is a type II supernova with estimated peak absolute brightness M 16.3. The very slow fading of its brightness suggests that the SN was discovered at the Plateau phase, 20-30 days after the peak of the light curve. The most probable classification of SN 1998bv is regular SN II-P. 3. ...

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• RADIO Surveys by J. Condon

Born in the UK, and following degrees at the Univerities of Bristol and Sussex, Martin Elvis got his PhD under Prof. Ken Pounds at the University of Leicester (UK) in 1978 for work with the Ariel V satellite. Ariel V was only the 2nd satellite to be devoted to X-ray astronomy. ... His PhD thesis demonstrated that powerful X-ray emission was a normal feature of Active Galactic Nuclei (or "AGN"). AGN X-ray emission has been a lively area of research ever since. ...

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• Chandra Supernova Remnants Catalog - Instrumental Artifacts
• forteachers
• The AstroStat Slog Blog Archive Feynman and Statistics

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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• Lecture Series 2010-2011 ? ?Top Ten Discoveries of the Phoenix Misson to Mars?
• Charles Dana Discovery Center, Central Park ? Amateur Astronomers Association
• Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 ? Amateur Astronomers

... PUBLIC LECTURE - APRIL 12, 2016 . New Discoveries in the Outer Solar System: Ceres, Pluto and Planet X . ... Dr. Green will talk about "New Discoveries in the Outer Solar System: Ceres, Pluto, and Planet X". ... Beginning in 1992 planetary astronomers began to find Pluto like objects beyond the orbit of Neptune showing us that Pluto was a member of an entirely new family of objects we now call the Kuiper Belt. ... Amateur Astronomers Association of Princeton, Inc., ...

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