... 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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• Armagh Observatory
• FETTU - Page 1
• Objects in the Sky

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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• Orbital Properties of the Solar System
• All about Jupiter

... Venus On The Horizon . ... Credit Copyright: STS 30 Crew , NASA Explanation: The month of October features a sky full of planets, including Venus as the brilliant evening star. Besides the sun and moon, Venus is the brightest object visible in Earth's sky. ... Because it is closer to the sun than Earth, Venus never strays far from the sun in its apparent position and is seen during the year as either a bright morning or evening star . ... October . ... Comet Meets Moon and Morning Star . ...

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• CME, Comet, and Planet Earth
• Animation of Asteroids Passing Near Earth
• Toutatis Nears Planet Earth

... October 14, 1997 . Venus On The Horizon . Credit: STS 30 Crew , NASA . Explanation: The month of October features a sky full of planets, including Venus as the brilliant evening star. Besides the sun and moon, Venus is the brightest object visible in Earth's sky. ... Because it is closer to the sun than Earth, Venus never strays far from the sun in its apparent position and is seen during the year as either a bright morning or evening star . ... About APOD > . ... NASA Technical Rep.: ...

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• APOD: 2013 March 15 - CME, Comet, and Planet Earth
• APOD: 2015 June 24 - Triple Conjunction Over Galician National Park
• APOD: 2004 October 1 - Earth Nears Asteroid Toutatis

... Tonight's Sky . ... The Magazine . ... Observing . ... 50 Weirdest Objects . ... Supernova showered Earth with radioactive debris . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Observing springtime deep-sky objects with a large telescope . ... near earth objects . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Can you explain Mercury's retrograde motion? Do other planets appear to do this
• Jupiter joins Venus in the early evening | Astronomy.com
• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . This project was established in mid-1998 to help coordinate, and provide a focal point for, the study of those comets and asteroids that can approach the Earth's orbit. ... Web Site . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Lowell Observatory Near-Earth Object Search - LONEOS, AstroGuide Listing
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• Astronomy articles, forums, listings, and other resources about Astronomy.

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . Planets . ... Monthly Sky Notes . ... February . ... The ringed planet will be quite bright, but unlike Jupiter it will not be the brightest point of light in the sky, this accolade will return to Sirius which is the brightest star in our night sky in the constellation of Canis Major. ... Seven days later on February 18, the Moon will be in its full Moon phase. ... Tweets that mention Wonders of the February Night Sky | ... Astronotes . ...

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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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• Solar System Studies at AO
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• Asteroids National Astronomy and Ionosphere Center (Arecibo Observatory)

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

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• Winer Observatory - User Science

... 8, ``Celestial Mechanics'', 2002 The motion of asteroids at the 5:2 resonance with Jupiter T. Yu. Galushina Tomsk State University, Tomsk, Russia The present work is devoted to investigation of Near­Earth asteroids (NEAs) motion at the 5:2 resonance with Jupiter. ... The initial parameters of orbits were taken from Bowell catalog on January 26, 2002 (ftp://ftp.lowell.edu/pub/elgb/astorb.dat). ... Orbital evolution of near--Earth asteroids close to mean motion resonances. ...

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• (Untitled)
• Laboratory of minor bodies of Solar system
• Keywords_244

... The remote planet Pluto and its moon Charon orbit the Sun at a mean distance of almost 6,000 million kilometres, or nearly fourty times farther out than the Earth. During a recent investigation by an international group of astronomers [1], the best picture ever of Pluto and Charon [2] was secured with the European Space Agency's Faint Object Camera at the Hubble Space Telescope (HST). ... The new HST image was taken when Charon was near its maximum elongation from Pluto (0.9 arcseconds). ...

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• The Earth-like Planet Gliese 581 c (artist's impression) | ESO
• The Earth-like Planet Gliese 581 c (artist's impression) | ESO Australia
• The Earth-like Planet Gliese 581 c (artist's impression) | ESO United States

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... Publications of the ASP (PASP) . ... A Minor Planet's Night Out . ... Orbiting between Mars and Jupiter are thousands of rocky bodies. ... In 1804 came Juno; in 1807, Vesta. ... Most minor planets, as asteroids are sometimes affectionately called, hum in elliptical orbits between Mars and Jupiter. ... This helps us as we select the Guest Observer, and it helps readers to understand what you studied. ...

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• ASP: Planet-Building on the Grandest Scales
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... Bad Astronomy . Misconceptions . ... Bad Astronomy : The Moon only shows one face to us because it is not rotating. Better astronomy : The Moon only shows one face because it is rotating, once every time it revolves around the Earth. ... Place the Moon model on the table about 30 centimeters (one foot) away with the X facing the Earth model. ... You'll see that to keep the X facing the Earth model, you have to rotate the Moon model as it goes around the Earth model . ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions: Lunar Smokestack?
• Phil Plait's Bad Astronomy: Mad Science

... Earth is the tiny spot between Jupiter and the Sun). ... Distance Radius Mass Name Orbits (000 km) (km) (kg) --------- ------- -------- ------- ------- Sun 697000 1.99e30 Jupiter Sun 778000 71492 1.90e27 Saturn Sun 1429000 60268 5.69e26 Uranus Sun 2870990 25559 8.69e25 * Neptune Sun 4504300 24764 1.02e26 * Earth Sun 149600 6378 5.98e24 Venus Sun 108200 6052 4.87e24 Mars Sun 227940 3398 6.42e23 Ganymede Jupiter 1070 2631 1.48e23 + Titan ... Extrema .. ...

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• Seeing the Solar System
• SmallBodies in the Solar System
• Newton's theory of "Universal Gravitation"

In early mid-infrared observations (c 1970) two prominent dust emission features were discovered. ... Soon after the discovery of the silicate features another feature at about 11.3 microns was discovered in the spectra of some carbon stars, not as wide or as strong as the silicate features but still thought to be due to a solid material. ... less common features: extreme carbon stars, the AlO/silicate complex, the "unidentified infrared" features, unusual silicate features . ...

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• Terrestrial Silicates Compared to Astronomical Silicates
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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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• Surface Gravity
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• Siding Spring Survey 2003 XB22

... User Guide ] Task: planets Purpose: Print ephemerides of planets and the Sun. Categories: utility PLANETS is a MIRIAD task to report some parameters on solar system objects. ... Key: source This can be "sun" or the name of a major planet (excluding the Earth). ... No default. Key: epoch The time (UTC) for which information is required, in standard Miriad time format (yymmmdd.ddd or yymmmdd:hh:mm:ss.s). ... Key: telescop The name of an observatory used in computing rise and set times. ...

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• A Search for Bright Kuiper Belt Objects

Общая Астрономическая Конференция > Практика > Астрономический наблюдательно-информационный портал > Хвостатые гостьи (все о кометах) > C/2016 A8 (LINEAR) _ CK16A080 _ LM04Jwy object = 220-я Lincoln Near Earth Asteroid Research (LINEAR)! ... Просмотр полной версии : C/2016 A8 (LINEAR) _ CK16A080 _ LM04Jwy object = 220-я Lincoln Near Earth Asteroid Research (LINEAR)! ... Открытая комета C/2016 A8 (LINEAR) _ CK16A080 - 220-я в активе проекта Lincoln Near Earth Asteroid Research (LINEAR) .. ...

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Hubble Finds Oxygen Atmosphere On Jupiter's Moon Europa . Astronomers using NASA's Hubble Space Telescope (HST) have identified the presence of an extremely tenuous atmosphere of molecular oxygen around Jupiter's second moon, Europa . ... Europa's oxygen atmosphere is so tenuous that its surface pressure is barely one hundred billionth that of the Earth," said Principal Investigator Doyle Hall, of Johns Hopkins. ... The oxygen gas slowly leaks into space and must be replenished continuously. ...

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• APOD: 2000 October 28 - Moonrise, Planet Earth
• Objects, Methods, and Properties
• Appendix C - The Probability of Collisions with Earth

... SATELLITE: An object that revolves around a planet. ... SIDEREAL DAY: The length of a planet's rotation period relative to the stars. SOLAR SYSTEM: The sun and all the objects that are held in its gravitational field and move around it. ... SUPERIOR CONJUNCTION: The position of a planet when it is on the opposite side of the Sun from Earth (thus making in invisible). ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ...

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• Planets and Moons
• Surface Features of Earth's Moon and Mars
• Astronomical Glossary - N thru R