... 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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M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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• Siding Spring Survey 162P/Siding Spring
• Siding Spring Survey Follow-up Obs
• Siding Spring Survey AANEAS

... Kuiper belt objects are icy bodies in the outer solar system. ... Views of Kuiper Belt Objects . Object 1993 SC . This image shows a small part of the discovery frames of 1993 SC, one of the brightest Kuiper-Belt objects so far discovered. ... Assuming that Object 1993 SC reflects light much like other primitive asteroids and comets in the out solar system, the diameter is around 300 kilometers (186 miles), or just a quarter the size of Pluto's moon Charon. ... Comet Shoemaker-Levy 9 Impact . ...

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• Client-Side JavaScript Guide
• The Motion of Comets
• The Discovery and Early Study of Shoemaker-Levy 9

Общая Астрономическая Конференция > Практика > Астрономический наблюдательно-информационный портал > Хвостатые гостьи (все о кометах) > C/2015 F4 (Jacques) _ CK15F040 _ S506390 object .. ... Просмотр полной версии : C/2015 F4 (Jacques) _ CK15F040 _ S506390 object .. ... Объект S506390 (S506390 object (http://www.starlab.ru/showpost.php?p=511633&postcount=54)) - новая непериодическая (JPL) комета C/2015 F4 (Jacques) _ CK15F040 с параболической орбитой (parabolic comet) .. ... C/2015 F4 (Jacques) . ...

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• C/2014 E2 (Jacques) _ CK14E020 _ S002692 object .. [Архив] - Общая
• C/2014 A4 (SONEAR) _ CK14A040 _ S002239 object - 1-ая SONEAR (Southern
• C/2015 G2 (MASTER) _ CK15G020 _ M503ujx object - 1-я комета Российской сети

In 1950 Jan Oort noticed that . no comet has been observed with an orbit that indicates that it came from interstellar space, . ... From this he proposed that comets reside in a vast cloud at the outer reaches of the solar system. ... Unfortunately, since the individual comets are so small and at such large distances, we have no direct evidence about the Oort Cloud. ... Its orbit is intermediate between the Kuiper Belt and what was previously thought to be the inner part of the Oort Cloud. ...

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• Astronomical Names
• APOD: 2010 February 3 - P2010 A2: Unusual Asteroid Tail Implies Powerful
• APOD: September 28, 1999 - Mystery Object Explained

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Stars . ... Space Flight . ... This activity is believed to be promoting the unusually high rate of star formation seen in M82. ... Radio image of M82 made with the MERLIN and VLA telescopes. Insets show MERLIN images from April 25th and May 3rd 2009 demonstrating the sudden appearance of the mystery object.€а All images are at a frequency of 5 GHz. ... Mystery object in Starburst Galaxy M82 . ...

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• Rings Around an Asteroid | Astronotes
• Karl Jansky Father of Radio Astronomy | Astronotes
• Dawn at Ceres | Astronotes

... The awsome spectacle of a brilliant comet, with its long ghostly tail streaming behind it, is a rare event. ... Only one other comet, Comet Halley, was seen so far from the Sun, giving scientists an opportunity to watch it as it slowly warmed up and sprouted a tail. ... Comets are the Rip Van Winkles of the solar system -- mini-worlds that have changed little during their 4.5-billion-year nap far from the Sun. ... Observing Comets . ... Once, comets inhabited the entire solar system. ...

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• ASP: The Comet About to Smash into Jupiter
• ASP: Astronomy Behind the Headlines
• ASP: A Good Definition of the Word "Planet": Mission Impossible?

... Satellites of the planets are assigned a provisional designation (indicating year of discovery) by the Central Bureau for Astronomical Telegrams ( CBAT ) upon satisfactory demonstration of the existence of a new object. ... In the past, Comets were first given a provisional designation, consisting of the year and a lowercase letter indicating the order of discovery in the year (e.g., 1994a was the first comet discovered or recovered in 1994, 1994b the second, etc.) ... Names .. ...

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• Kuiper-Oort
• Seeing the Solar System
• Comet Introduction

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... View shopping cart . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... The Comet€аMcNaught€а2007 . ... ESO Science Outreach Network . ... An unusual view of Comet Austin. ... Comet Austin . ...

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• The Unusual Tails of Comet Hale-Bopp | ESO
• An unusual view of Comet Austin | ESO United States
• An unusual view of Comet Austin | ESO Australia

... Springtime Comet Fever . ... Despite recent attempts by other spectacular and dramatic celestial events to take center stage, Comet Hale-Bopp remains the most popular object in the sky (according to APOD access logs!) and is likely to make this spring memorable for many. ... Comet Hale-Bopp is now much brighter than any surrounding stars. ... Water World . ... Hale-Bopp Brightest Comet This Decade . ... The Great Comet of 1997 is now brighter than the Great Comet of 1996 ever was. ... 1995 1996 . ...

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... ASTEROID’S MOONS : DISCOVERY BY RADAR . ... Moons of known asteroids have a low position ambiguity, which makes their discovery with powerful ground-based radar much easier than the discovery of new asteroids or other objects of Solar System. ... The other technique is a direct detection of radar echo from an asteroid moon. ... However, the diameter of a ground-based fully-steerable reflector is limited by 120-150 m to make it possible to perform two different functions: focusing and tracking (fig. ...

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• Solar System Radar Research. IRE RAS.
• UNITED SOLAR SYSTEM RADAR