... 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 . ...

... EXPERIMENTS AND RESEARCHES . ... Recording and mapping of the wave processes in upper mesosphere and lower thermosphere by wave-like disturbances in the boundary surface between optically thin and optically dense atmosphere. ... EXPECTED RESULTS: . ... Recording of atmospheric waves originating from persistent thermospheric sources (atmospheric convection, changes in thermospheric circulation, stream flows, the processes of interacting of surface air flow with the Earth surface relief). ...

... A Dark Earth with a Red Sprite . ... Credit Copyright: ISS, Expedition 31 Crew , NASA Explanation: There is something very unusual in this picture of the Earth -- can you find it? ... The featured image was taken from the orbiting International Space Station (ISS) in late April and shows familiar ISS solar panels on the far left and part of a robotic arm to the far right. ... Publications with keywords: international space station . Publications with words: international space station . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 23, 1999 . Construction of International Space Station Begins . Credit: STS-88 Shuttle Crew , NASA . Explanation: Move over Mir , here comes the International Space Station . ... The International Space Station 's low 250-mile Earth orbit causes it to experience one complete day/night cycle in about 90 minutes. ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... August 30, 1999 . Looking Back on an Eclipsed Earth . ... Explanation: Here is what the Earth looks like during a solar eclipse. ... Only observers near the center of the dark circle see a total solar eclipse - others see a partial eclipse where only part of the Sun appears blocked by the Moon . This spectacular picture of the 1999 August 11 solar eclipse was one of the last ever taken from the Mir space station , as Mir is being decommissioned after more than ten years of productive use. ...

... Peter J.K. "Jeff" Wisoff (Ph.D) . NASA Astronaut (former) . ... A veteran of four space flights, STS-57 in 1993, STS-68 in 1994, STS-81 in 1997 and STS-92 in 2000, Dr. Wisoff has logged a total of 42 days, 56 hours, 1 minute and 48 seconds in space, including , 19 hours and 53 minutes of EVA time in three space walks. ... Following 183 orbits of the Earth in 269 hours and 46 minutes, the eleven-day mission ended with Space Shuttle Endeavour landing at Edwards Air Force Base, California. ...

... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...

... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Posted on June 2, 2015 | ... Continue Reading.. Posted on December 19, 2014 | ... Posted on October 30, 2014 | ... Posted on May 9, 2014 | ... Posted on November 19, 2013 | ... Posted on July 22, 2013 | ... Posted on May 10, 2013 | ... Posted on March 26, 2013 | ... 3 Comments In February 2013, the asteroid 2012 DA14 flew past the Earth closer than many of the EarthтАЩs geo-stationary satellites. ...