... 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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... Credit Copyright: NASA , Gemini Project , James McDivitt Explanation: Fifty years ago , on June 3, 1965, Edward White stepped out of the orbiting Gemini 4 spacecraft to become the first US astronaut to walk in space . ... June . ... June 2015 . ... Publications with keywords: astronaut - space walk . Publications with words: astronaut - space walk . ... Orbiting Astronaut Self Portrait . A Busy Space Walk at the Space Station . ... Orbiting Astronaut Reflects Earth . To Fly Free in Space . ...

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• Orbiting Astronaut Reflects Earth
• Earthrise from Moon Orbiting Kaguya
• The Earth Also Rises

... 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. ... The Sych-2 satellite is being developed as a part of the space optical-range Earth observation system by the State Design Office of Yuzhnoye and built by the Industrial Association Yuzhny Machine Building Plant in cooperation w ith other space industry entities upon the state order of the National Space Agency of Ukraine . ...

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• The first national Earth remote sensing satellite of Turkey will be placed into
• ISC Kosmotras will provide launch services for two Earth-observation satellites

... 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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• Starinova Olga Leonardovna
• SSAU scientists will 'teach' nanosatellites to manoeuvre in orbit

Magellan to Venus . ... The spacecraft carried a sophisticated imaging radar, which was used to make the most highly detailed map of Venus ever captured during its four years in orbit around Venus from 1990 to 1994. After concluding its radar mapping, Magellan also made global maps of Venus's gravity field. ... The Magellan mission was divided up into "cycles" with each cycle lasting 243 days (the time necessary for Venus to rotate once under the Magellan orbit). ... Magellan Orbiting Venus . ...

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• Near Earth Asteroid Rendezvous (NEAR)
• APOD: 2000 March 25 - The Earth Also Rises
• APOD: September 4, 1998 - Nozomi: Earth and Moon

... Jay Apt (Ph.D.) . NASA Astronaut (Former) . ... PUBLICATIONS: Dr. Apt shared his images and knowledge in the publication Earth in Orbit : NASA Astronauts Photograph the Earth , written in conjunction with NASA scientists Michael Helfert and Justin Wilkinson and published by the National Geographic Society. ... From 1976 to 1980 he was a staff member of the Center for Earth & Planetary Physics, Harvard University, supporting NASA s Pioneer Venus Mission by making temperature maps of Venus from Mt. ...

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• Astronaut Bio: John E. Blaha (05/2008)
• Astronaut Bio: Peter J. K. Wisoff 11/2001
• Astronaut Bio: Shannon Lucid (02/2012)

Different types of satellite orbits have different uses: while the synchronous orbit is best for communication satellites, Lagrangian point orbits help monitor the solar wind before it reaches Earth. A low altitude polar orbit is widely used for monitoring the Earth because each day, as the Earth rotates below it, the entire surface is covered. ... A different choice was made for MAGSAT, orbited 1979-80 to survey the Earth's own magnetic field near its surface. ...

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• Spacecraft Observing Earth's Space Environment
• Lagrangian Points
• Spacecraft that Explore Distant Space

... Astronomy news . ... Earth Seen By NASA's Moon Mapper On India's Chandrayaan-1 Spacecraft . A new image of Earth taken from 200 kilometers (124 miles) above the lunar surface was taken by the Moon Mineralogy Mapper, one of two NASA instruments onboard the Indian Space Research Organization's Chandrayaan-1 spacecraft. ... NASA's Jet Propulsion Laboratory, Pasadena, Calif., designed and built the Moon Mineralogy Mapper and is home to its project manager, Mary White. ...

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• Earth Witnesses the First Powerful Areas of the New Solar Cycle

Astronotes Armagh Planetarium's Stellar Blog! ... Concept Spacecraft . ... Monthly Sky Notes . ... October . ... By admin September 30, 2011 Posted in: Human Exploration . Gemini Spacecraft: The red and gold spheres in the Equipment Module are propellant tanks and the red cylinder in the nose is the parachute pack. ... Image credit: NASA) . ... Amazingly in 2011, an outfit called Space Operations Inc proposed launching updated Geminis (rebadged as Eclipse spacecraft) for commercial clients! ...

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• Space Flight | Astronotes
• Kepler-11: a strange and crowded planetary system | Astronotes
• Kepler-10c: the First Mega-Earth | Astronotes

... 2008 January 23 . Orbiting Astronaut Reflects Earth . Credit: Clayton C. Anderson , Expedition 15 Crew, NASA . Explanation: Astronaut self-portraits can be particularly interesting. Visible in the above picture , working in from the outer borders, are the edges of the reflecting helmet of a space suit , modules of the International Space Station (ISS), the Earth , the arms of Expedition 15 astronaut Clay Anderson , and the digital camera used to snap the image. ... About APOD | ...

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• APOD: 2003 May 26 - The Earth and Moon from Mars
• APOD: December 25, 1996 - An Earth Ornament
• APOD: 2013 July 22 - Earth and Moon from Saturn

... Low Polar Orbit . ... Different types of satellite orbits have different uses: while the synchronous orbit is best for communication satellites, Lagrangian point orbits help monitor the solar wind before it reaches Earth. ... Many spacecraft use such orbits, e.g. the US Air Force surveillance satellites of the DMSP series, or the series of French Earth-resources spacecraft SPOT . ... If the satellite then starts near a noon-midnight orbit, it will always pass near noon and near midnight. ...

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• Spacecraft Observing Earth's Space Environment
• Satellites which look down and observe Earth
• Lagrangian Points

... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...

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home publications > mercury . ... A Titan-ic Mission . ... Saturn's moon Titan seems like the stuff of science fiction, but it really exists, out there in the distant reaches of our own Solar System. ... Ringed Saturn, heavily veiled by the thick atmosphere of this small world, hangs low and huge in the sky. ... But under that heavy atmosphere, planetary scientists believe an exotic world awaits our discovery [see "Saturn and Titan on the Eve of Cassini-Huygens," September/October, p. 10]. ...

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• ASP: This Restless Globe
• ASP: Flattening the Earth
• ASP: Guest Observer

... Upper stage Block DM design is based on Block D, which was originally developed under lunar program N1-L3 and the first time it successfully operated in flight was as a part of L1 complex (with Proton launch vehicle) on March 10, 1967. Upper stage Block DM features high reliability proven by more than 30 years of its operational history, and capacity for multiple burns of the main engine, which allows it to perform the required orbital maneuvers. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• OFFICIAL PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA
• S.P. Korolev RSC Energia - News
• S.P.Korolev RSC Energia

... 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: Mad Science

... You are a hot-shot rocket pilot. ... So whenever there is a difficult rescue mission to be carried out in space, they call on you. ... You will use computer simulators, which accurately model the motions of a rocketship. ... They should run on any computer with a web browser and an internet connection. ... Your spacecraft is a yellow sliver. ... Your mission is to rescue Luke. ... His spacecraft has run out of fuel, and unless you rescue him, will continue to drift there for billions of years. ...

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• Michele Bannister - Research
• Scorched earth
• Siding Spring Survey

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

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• University Satellites and Space Science Education '2006

... We apply these methods to simulated nondestructive read ramps with single-sample groups and varying combinations of flux, number of samples, number of cosmic rays, cosmic-ray location in the exposure, and cosmic-ray strength. We show that the y-intercept method is the optimal detection method in the read-noise-dominated regime, while both the y-intercept method and the two-point difference method are best in the photon-noise-dominated regime, with the latter requiring fewer computations. ...

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• HST Primer for Cycle 22
• L2 Orbit
• . Reaching, and Striding Beyond Earth .

... 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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• Archive of VLBI Observations Majordomo List
• CASS News
• ATNF Colloquium

... Ballistics, navigation and flight control of the spacecraft, going to the L2 point of Sun-Earth system. ... and calculation algorithms have been developed: - an algorithm, building nominal trajectories for one impulse flights to the L2 point of Sun- Earth system, including a Moon swingby maneuver or not. - an algorithm, calculating corrections of spacecraft trajectory needed for the flight from Earth to halo orbit and for stationkeeping of the spacecraft moving in halo ...

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• http://www.kiam1.rssi.ru/pubs/prep_2013_046.pdf
• http://www.kiam1.rssi.ru/pubs/20140509_ISSFD24_Ilin.pdf