... 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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... 2009 February 18 . Satellites Collide in Low Earth Orbit . ... Explanation: How often do satellites collide? Although minuscule space debris may strike any satellite on occasion, the first known collision between time two full satellites occurred only last week. ... The collision occurred in low Earth orbit only 750 kilometers up, a height shared by many satellites but significantly higher than the 350-km high human-occupied International Space Station . ... About APOD | ...

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• APOD: 2014 February 10 - Falling to Earth
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Astronomy Picture of the Day . Satellites Collide in Low Earth Orbit . ... Explanation: How often do satellites collide? Although minuscule space debris may strike any satellite on occasion, the first known collision between time two full satellites occurred only last week. ... The collision occurred in low Earth orbit only 750 kilometers up, a height shared by many satellites but significantly higher than the 350-km high human-occupied International Space Station . ... Name This Satellite . ...

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• Space Station Mir Over Earth
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... amateur astronomy Apollo Program Armagh Planetarium asteroids astronauts astronomy history classical mythology comets constellations Earth ESA ESO exoplanets extraterrestrial life folklore foolishness galaxies HST ISS Jupiter Kerry Scullion Mars Martina Glass meteors Milky Way Moon NASA Nick Parke observing Orion physics rockets Russian Space Programme Saturn science fiction Sinead Mackle Solar System space history Space Shuttle stars stellar nursery Summer Triangle Ursa Major Venus Virgo . ...

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• Earth | Astronotes
• Earth Satellites | Astronotes
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... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. ... ISC Kosmotras announces signing of a launch contract with T B?TAK Space Technologies Research Institute (T B?TAK UZAY) for injection of RASAT spacecraft - the first Earth observation satellite designed and manufactured in Turkey by Dnepr LV in 2010. ... Dnepr LV Performance . ...

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• ISC Kosmotras will provide launch services for two Earth-observation satellites
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... Pre-university education . ... Samara region . ... A small spacecraft Aist-2D , developed by the scientists of Samara State Aerospace University (SSAU) and the experts of the Rocket and Space Centre Progress will see from outer space what is hidden under the thick top of trees and below the Earth's surface. The radar equipment was installed on Aist-2D , which was delivered to the space launcher complex Vostochniy on January 22. ... Tomography of the Earth's ionosphere will also be carried out. ...

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• SSAU teachers and students shared experience of the nanosatellites design

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Parkes | ... Cosmic engine for senior students . ... The Sun . The Sun is vital for life on Earth. ... The Sun is a typical star, emitting electromagnetic radiation and particles that influence the Earth . ... In the meantime you can view material on the Sun and its influence on Earth written for the first version of the new syllabus here . ...

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• ATNF Future Operations: Community Feedback
• Future Work
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What is Posterra's goal ? ... Terra : noun, earth . ... Humanity has spread across the planet, occupying nearly every available niche. ... If we as a species, and we as Life from Earth are to survive beyond that time, we must move outward and offward, away from the planet of our birth and cradle where we were nurtured. Posterra is a proposed organization which would have the purpose of facilitating the transition of humanity and of terrestrial life beyond the Earth and beyond our Solar System. ...

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• HRC Earth flats
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... 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 - Observations of Near Earth Asteroid 2008QT3

Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Archive for February 2011 . ... http://sites.nationalacademies.org/PGA/brdi/PGA_060422 . ... Statistical Challenges in Modern Astronomy V (including summer school & tutorials) . ... Tags: Announcement , astroinformatics , AstroStat , conference . ... Entries RSS . ... Book] The Elements of Statistical Learning, 2nd Ed. mini-Workshop on Computational AstroStatistics [announcement] . ...

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• Eyes on the Sky, Feet on the Ground: Table of Contents
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home publications > mercury . ... Publications of the ASP (PASP) . ... Flattening the Earth . ... Contrary to popular folklore, medieval Europeans knew Earth was a sphere, and with the notable exception of Christopher Columbus, most had a pretty good idea of its true size. One of the few things that everybody "knows" about medieval Europe is that people thought Earth was flat. ... In fact, virtually no educated person in the Middle Ages (roughly defined as 500-1500 A.D.) believed Earth was flat. ...

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• ASP: Determining the Earth-Sun Distance Using Mars
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... The first powerful active areas of the new solar cycle have now come into view from Earth ( video, 4.0 MB ). ... Back on 7 May, two space observatories, STEREO (USA) and TESIS/Coronas-Photon (Russia), simultaneously registered a sharp rise in activity on the eastern edge of the solar disk. ... At the present time, TESIS telescopes are tracking these active areas. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ... The First Powerful Areas of the New Solar Cycle (WMV movie, 4.0 MB) . ...

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