... 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 . ...

... NASA Astronaut, USA . ... HONOURS: NASA Medals for Space Mission (1992, 1993, 1995, 1997, 1999). ... He is a veteran of five space flights and has logged altogether 178 days 23 r 44 in 15 s including three space walks of the total duration: 18 hr 49 min. ... The mission duration was 9 days 6 hr 8 min 24 s. In the third mission from February 3-11, 1995 he was a mission specialist onboard Discovery (STS-63); it was the first rendezvous (up to 10 m) of STS-63 with the Russian Space Station Mir. ...

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 . ...

... 16.05.2006 . ... Credit: STS-114 Crew , NASA Explanation: The International Space Station (ISS) is the largest human-made object ever to orbit the Earth . Last August, the station was visited and resupplied by space shuttle Discovery . ... After departing the ISS , the crew of Discovery captured this spectacular vista of the orbiting space city high above the Caspian Sea . ... Publications with keywords: ISS - space shuttle Discovery . Publications with words: ISS - space shuttle Discovery . ...

... 2006 May 16 . The International Space Station from Above . Credit: STS-114 Crew , NASA . Explanation: The International Space Station (ISS) is the largest human-made object ever to orbit the Earth . Last August, the station was visited and resupplied by space shuttle Discovery . ... After departing the ISS , the crew of Discovery captured this spectacular vista of the orbiting space city high above the Caspian Sea . ... Tomorrow's picture: safe space . ... About APOD | ...

... Satellites of the planets are assigned a provisional designation (indicating year of discovery) by the Central Bureau for Astronomical Telegrams ( CBAT ) upon satisfactory demonstration of the existence of a new object. ... In the past, Comets were first given a provisional designation, consisting of the year and a lowercase letter indicating the order of discovery in the year (e.g., 1994a was the first comet discovered or recovered in 1994, 1994b the second, etc.) ... Names .. ...

... Kuiper belt objects are icy bodies in the outer solar system. ... Views of Kuiper Belt Objects . Object 1993 SC . This image shows a small part of the discovery frames of 1993 SC, one of the brightest Kuiper-Belt objects so far discovered. ... Assuming that Object 1993 SC reflects light much like other primitive asteroids and comets in the out solar system, the diameter is around 300 kilometers (186 miles), or just a quarter the size of Pluto's moon Charon. ... Comet Shoemaker-Levy 9 Impact . ...

... Recent Results . Publications . last 10 years in ADS) . ... This page is designed by A.V. Moiseev . ... The extended gas origin and kinematics in the fading AGN host galaxies" . talk on EWASS-2015, La Laguna, Jun 22-26, 2015) . Related publication: Keel et al. ... Related publication: Afanasiev V.L. et al. ... Related publication: Afanasiev V., Moiseev A. 2011, Baltic Astronomy, 20, 363 see in ADS . ... Related publication: Moiseev et al. 2011, MNRAS, 418, 244 see in ADS . ...

STScI . HST . ... What is STScI . ... Missions . ... Data . ... Future Missions and . ... Missions Office . ... HST Peer Review Process . ... HST Overview . Overview . ... Servicing Missions . Phase I Proposing . ... Cycle 24 Announcement . Cycle 23 Results . ... Mid Cycle Submission . ... Phase II Cycle 23 . ... Retrieving HST Data . ... Data Analysis . ... HST Science Year in Review . ... See the Instrument Handbook for more details). NICMOS . ... Phase I . ... Data Handbook . ...