... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... Earth Satellites . ... By admin February 19, 2011 Posted in: Comets and Asteroids . ... Since it was launched in 1999, the Stardust spacecraft has travelled about 5.7 billion km (3.5 billion miles) on its odyssey from Earth to comet Wild 2, back to Earth then on to comet Tempel 1. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Hartley 2: what has the Deep Impact flyby shown us? | Astronotes
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... Venus, Mercury, and Saturn wandered close together in western evening skies last week. ... In the center is a large but peculiar elliptical galaxy dubbed NGC 1316. ... The globular cluster M22, pictured above, contains over 100,000 stars. ... Stars orbit the center of the cluster, and the cluster orbits the center of our Galaxy. ... The 2MASS Galaxy Sky . ... Venus, the second closest planet to the Sun, is by far the brightest of the three planets gathered in this weekend's western sky at sunset. ...

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... March 24, 1996 . Comet Hyakutake's Closest Approach . ... Explanation: The above true color image of Comet Hyakutake was taken the night of March 21/22. Tonight, Comet Hyakutake will make its nearest approach to Earth, closing to a mere 10 million miles as it passes over the planet's Northern Hemisphere . ... For the rest of March and most of April Comet Hyakutake will be visible to Northern viewers (weather permitting). ... Comet Hyakutake Finder Chart . ... About APOD | ...

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• APOD: 2015 November 2 - Comet ISON Being Destroyed by the Sun
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NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... ASTEROID 2005 YU55 . ... ASTEROID FLYBY : NASA radars are monitoring 2005 YU55, an asteroid the size of an aircraft carrier, as it heads for a Nov. 8th flyby of the Earth-Moon system. ... Astronomers used the planetary radar system at the Arecibo Observatory radio telescope to spot the asteroid, called 2005 YU55, over four days starting on April 19 . ...

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... Artist?s conception of the collision of Comet Shoemaker-Levy 9 with Jupiter, as seen from the Galileo spacecraft. At the time of the first impact, the comet fragments will be much farther apart than shown in this illustration. ... One orbit, computer May 18, 1993 by Syuichi Nakano, showed that the comet passed close to Jupiter in July 1992, and would pass within 45,000 kilometers of the center of Jupiter in July, 1994. ... The fragments of Shoemaker-Levy 9 move around Jupiter. ...

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... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... Observing . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... A tough comet survives a close encounter with the Sun . ... 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 newsletter. ...

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... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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... Comet Tutorial . ... On July 1, 1993 an image was taken with the Hubble Space Telescope (HST) that clearly shows at least 15 individual fragments in one image frame of the train. ... This made an accurate orbit (or orbits) difficult to determine; however, after numerous observations of the comet, astronmers determined that the comet had passed within 96,000 kilometers (60,000 miles) of the center of Jupiter or 25,000 kilometers (16,000 miles) from the cloud tops during the July 8, 1992, approach. ...

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• Appendix C - The Probability of Collisions with Earth

... Comet Tutorial . ... On July 1, 1993 an image was taken with the Hubble Space Telescope (HST) that clearly shows at least 15 individual fragments in one image frame of the train. ... This made an accurate orbit (or orbits) difficult to determine; however, after numerous observations of the comet, astronmers determined that the comet had passed within 96,000 kilometers (60,000 miles) of the center of Jupiter or 25,000 kilometers (16,000 miles) from the cloud tops during the July 8, 1992, approach. ...

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Images by Rob McNaught from ~20km west of Siding Spring Observatory . Copyright 2011 Robert H. McNaught . Canon 5D, 50mm f/1.4, 20sec exposure ISO 400. ... Canon 5D, 135mm f/2.0, 20sec exposure ISO 400. ... ANU 2.3-m at far left. Anglo-Australian Telescope (AAT) on horizon to left of comet and ANU 0.6-m to the immediate right of the comet. ... ANU/Uni of Arizona/NASA/Robert H. McNaught . Uppsala Schmidt/Siding Spring Survey. ... Siding Spring Survey Main Page . ...

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• THE AUSTRALIAN NATIONAL UNIVERSITY
• RSAA website - Intranet - ANU
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... What's New? Bad Astronomy . ... News . ... Bitesize Astronomy . ... This time, they are reporting -- as straight news -- a story that on May 25 of this year a comet fragment will impact the Earth . ... Comets are giant hunks of ice and rock , and when they get near the Sun the ice turns into a gas and creates the long tail. ... However, the fragments of Schwassmann-Wachmann are all still pretty close together. ... While that's close as comet passes go, that's still a long way. ... 2008 Phil Plait. ...

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This is a copy of a Press Release from E.S.O. Eight years after the passage of Comet Halley in early 1986, astronomers at the European Southern Observatory have succeeded in obtaining an image of this famous object at a distance of no less than 2,820 million km from the Sun. ... The image shows the 6 x 15 km avocado-shaped nucleus as an extremely faint point of light without any surrounding dust cloud. ... This observation was made with the ESO 3.58 metre New Technology Telescope (NTT). ...

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• ESO Workshop Local and Practical Information
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Observatories 1 --- | ... Mills Observatory . ... The observatory building . ... One of the conditions of the transfer was that the Observatory would move to a better site, so ROE moved from the (increasingly smoggy) City Centre to Blackford Hill, about 2 miles south. ... Rumour has it that the site (which is pretty close to being below sea level, a novel idea for an observatory) was chosen based partly on the sunshine records being kept by the town clerk in nearby Bexhill (Florida for the english). ...

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. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Plenty of information about the hazards of being a planet in our solar system. ... Listed Since July 15, 1998 . ... Web Site . http://impact.arc.nasa.gov/ . ... Additional Information . Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Discover The Science Behind The "Wormwood Star Prophecy" - an Astronomy Net God
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• The AstroGuide General Listings

. Сайт временно не работает.

18. SAO RAS home page

19. http://www.astro.louisville.edu/shared_skies/archive/select/asteroids/yu55/20111108/yu55_20111109_wp.txt

20. The M111 - "OnLine"