... 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 . ...

... Credit: NEAR Project , JHU APL , NASA Explanation: From a delicate orbit around asteroid 433 Eros, the NEAR Shoemaker spacecraft's camera has now imaged the entire surface of the small oddly-shaped world at least once. ... In fact, the NEAR mission to Eros has shown that along with craters and boulders, grooves and ridges are also common on the asteroid's surface. ... Publications with keywords: 433 Eros - boulder - crater - asteroid . ... Victoria Crater on Mars . Inside Victoria Crater on Mars . ...

Educator's Guide to Impact Craters . ... Just about all craters have deep central depressions, raised rims, and a blanket of ejected material surrounding them. ... Look for classical cratering features: basin, raised rim, ejecta blanket (material excavated from the crater and dumped around it, visible as white flour on the colored powder), and rays (material shot out at high velocity forming lines pointing directly away from the impact site). ... The material lies like a blanket around the crater. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Apollo 17?s CSM, named America, seen over the Moon?s cratered surface. ... Image credit: NASA) . ... Harrison Schmitt with our homeworld (Image credit: Eugene Cernan/NASA) . ... In this still from a video recording Schmitt is holding a rake used to collect small pebbles (Image credit: NASA) . ... The Earth was lower in the lunar sky over the Apollo 17 landing site than on other missions so it appears in more images. (image credit: NASA) . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Site Info . ... It is from from Voyager 1 and shows a whopping big impact crater dominating the profile of the moon. Note that Mimas is about 400 kilometers across (about 250 miles). ... The wall around the crater is 5 kilometers high, and that central peak rises 6 kilometers above the surface (many impact craters have a large central peak which is caused by a pressure rebound from the impact). ... 2008 Phil Plait. ...

... 2000 July 21 . Eros Craters And Boulders . Credit: NEAR Project , JHU APL , NASA . Explanation: From a delicate orbit around asteroid 433 Eros, the NEAR Shoemaker spacecraft's camera has now imaged the entire surface of the small oddly-shaped world at least once. ... In fact, the NEAR mission to Eros has shown that along with craters and boulders, grooves and ridges are also common on the asteroid's surface. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

... In this final issue of the year, we consider the Moon's alien surface features, (so different from those we're used to on Earth) and review the golden age of lunar exploration. ... From 1959 (when the Luna 1 probe made the first flyby of the Moon) until 1976 (when Luna 24 returned the last lunar sample to Earth), 32 unmanned probes and 9 manned missions to the Moon or near-Moon space were successfully carried out. ... Luna 1 . ... First flyby of Moon . ... Flyby; first photographs of Moon's farside ...

... Lunar Orbiter 5 was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions. ... Accurate data were acquired from all other experiments throughout the mission. ... A detailed description of the experiment, a bibliography, and indexes of all the available Lunar Orbiter 1 through 5 photos are contained in the report 'Lunar Orbiter Photographic Data,' NSSDC 69-05, June 1969. ...

... Ж.Ф. Родионова, А.А.Карлов, Т.П. Скобелева и др. ... Sternberg State Astronomical Institute, 119899, Moscow, Russia; jeanna@sai.msu ru. ... Moscow State University, Vorobjovy Gory, 119899, Moscow, Russia. Brown University - Vernadsky Institute Microsymposium 34, October 8-9, 2001, Moscow, Russia . ... Rodionova J1., ... Sternberg State Astronomical Institute, Moscow University, jeanna@sai.msu.ru . ... 1 Sternberg State Astronomical Institute Lomonosov Moscow University, Russia; marss8@mail.ru . ...

... The Round Earth . ... Some of the names he used for the Moon's crater are of persons discussed in "Stargazers"-- Tycho (distinguished by bright streaks that radiate from it), Ptolemy ("Ptolemaeus"), Copernicus , Kepler , Aristarchus , Hipparchus , Erathosthenes ; Meton and Pythagoras are on the edge, near the northern pole. ... Those moons display " palimpsest" craters which are merely surface markings, because as time passed, the walls which originally existed sagged back onto the flat surface. ...

... 2) get instructions for proceedings from here . ... Chris Sterken (chair), Ulli K ufl (co-chair), Mike A'Hearn, Hermann Boehnhardt, Michael Combi, Yan Fernandez, Marco Fulle, Luisa Lara, Casey Lisse, Jean Manfroid, Karen Meech, Javier Licandro, Heike Rauer, Rita Schulz, Gerhardt Schwehm, Diane Wooden . ... Ulli K ufl or Chris Sterken . ... there will be proceedings in the ESO / SPRINGER series (eds. Ulli K ufl & Chris Sterken); link to retrieve latex-kit . ... Deep Impact Specific Questions . ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Observing . ... MESSENGER mission to impact Mercury today . ... The mission plan called for MESSENGER to spend one Earth year at Mercury, but when early findings raised new questions, NASA granted two mission extensions for a total of three additional years. ... 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. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . des reportages . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Un impact record vu en direct sur la Lune . ... Comment d†йtecter des flashs sur la Lune ? ... 30/03/2016 - La chute dтАЩun corps c†йleste sur Jupiter vue en direct . ...

... Eugene A. Cernan (Captain, USN, Ret.) NASA Astronaut (former) . ... Cernan subsequently served as backup pilot for Gemini 12 and as backup lunar module pilot for Apollo 7. On his second space flight, he was lunar module pilot of Apollo 10, May 18-26, 1969, the first comprehensive lunar-orbital qualification and verification flight test of an Apollo lunar module. ... Captain Cernan has logged 566 hours and 15 minutes in space-of which more than 73 hours were spent on the surface of the moon. ...

Журнал ПОВЕРХНОСТЬ публикует оригинальные статьи и обзоры по наиболее актуальным проблемам изучения поверхностных явлений. ... Редакция журнала 'Поверхность. ... Англоязычная версия журнала Journal of Surface Investigation . X-Ray, Synchrotron and Neutron Techniques выходит 6 раз в год . The Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques ( Poverkhnost '. ... X-ray, Synchrotron and Neutron Techniques is abstracted and/or indexed in (Impact Factor 0.359): . ...

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 . ...

Electronic PictureBooks are part of an expanding library of multimedia publications that highlight the results of contemporary astronomy and planetary science research, particularly images. ... All of the Electronic PictureBooks are available free right here on this site! ... If you want to get a sample of some of the Electronic PictureBooks before downloading them, try downloading the Electronic PictureBook Sampler , an interactive collection of sample pages from most of our Electronic PictureBooks! ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Information on impact craters here on Earth. ... Listed Since July 15, 1998 . ... Web Site . ... Additional Information . Web . www.astronomy.net . About Astronomy Net | ... 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 ...

... NASA SPACECRAFT FINDS NEW EVIDENCE FOR WATER ICE ON MERCURY . ... The new data indicate the water ice in Mercury's polar regions, if spread over an area the size of Washington, D.C., would be more than 2 miles thick," said David Lawrence, a MESSENGER participating scientist at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., and lead author of one of three papers describing the findings. ... Water ice concentrations are derived from the hydrogen measurements. ...

... About meteorites . ... Meteoritic data . Impact Crater Smerdyachee . ... Based on Smerdyachee's depth, near circularity, and its mounded wall, and analysis by N.A. Fillin of nearby Roshal, Russia, the Estonian scientists Yu.V. Krestlane and K.H. Mella proposed in 1987 that Smerdyachee Lake is a meteorite crater. ... In 2002, the Laboratory of Meteoritics of the Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences explored this mysterious lake. ...