... 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 . ...

Astronomy Picture of the Day . Manicouagan Impact Crater on Earth . ... 13.12.2000 . ... December . December 2000 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... U. Based on Astronomy Picture Of the Day . Publications with keywords: crater - Earth - Manicouagan crater - impact crater - impact . Publications with words: crater - Earth - Manicouagan crater - impact crater - impact . ... Earth at Twilight . ... Victoria Crater on Mars . ... Inside Victoria Crater on Mars . ...

... Annual Meeting . ... Earth Space Science: Making Connections in Education and Public Outreach . ... A Symposium on Improving the Community of Practice for EPO Professionals . ... Click here for instructions to register for the Earth & Space Science EPO symposium. The Earth & Space Science EPO Symposium program committee welcomes four kinds of abstracts: . ... The Earth & Space Science EPO program committee is arranging a number of plenary talks or panels to complement the above sessions. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... November 9, 10, 11, 12 and 13 . December 6, 7, 8 and 9 March 24, 25, 26, 27 and 28 . ... December 3, 4 and 5 February 13, 14 and 15 . ... December 10, 11, 12, 13 and 14 . Incoherent Scatter Radar ionospheric parameters measurements are carried out on coordinated days determined by the International Geophysical Calendar. ...

National Aeronautics and Space Administration . ... JOHN E. BLAHA (COLONEL, USAF, RET.) NASA ASTRONAUT (FORMER) . ... EDUCATION: Graduated from Granby High School in Norfolk, Virginia, in 1960; received a bachelor of science in engineering science from the United States Air Force Academy in 1965 and a master of science in astronautical engineering from Purdue University in 1966. ... NASA EXPERIENCE: Selected as an astronaut in May 1980, Blaha has logged 161 days in space on 5 space missions. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 December 13 . Manicouagan Impact Crater on Earth . Credit: STS-9 Crew , NASA . Explanation: The Manicouagan Crater in northern Canada is one of the oldest impact craters known. ... The crater itself has been worn away by the passing of glaciers and other erosional processes. ... About APOD | ... NASA Technical Rep.: ...

Catastrophism : . ... During the late 18th and early 19th century, a German mineralogist, Abraham Gottlob Werner, proposed that all of the Earth's rocks were formed by rapid chemical precipitation from a "world ocean," which he then summarily disposed of in catastrophic fashion. Though not directed toward the genesis of landforms in any coherent fashion, his catastrophic philosophy of changes of the Earth had two major consequences of geomorphic significance. ... Thermal Plate Tectonics : . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... No Comments On 20 February 1962, John Glenn (b1921) became the fifth human to enter space. ... Continue Reading.. ... 11 Comments This monthтАЩs image is a NASA diagram of the classic 1960s Gemini spacecraft.€а Ten of these craft carried twenty astronauts into orbit between March 1965 and November 1966, filling the [ ] . ... 7 Comments On 14 September €а2011, NASA revealed€а the design of its new rocket, the Space Launch System. ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... ATNF facilities . ... MRO Support Facility . Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Current telescope status . ... Scientific support of facilities . ... ATNF Operations Overview . ... Meetings . ...

... StarCity, Moscow Region. The Star City situated near Moscow hosted the solemn event devoted to meeting with the crew of the 11th Expedition to the International Space Station (ISS-11): Russian cosmonaut Sergei Krikalev and NASA astronaut John Phillips, as well as Gregory Olsen, US citizen, another participant of this space flight, who had returned with them to Earth and worked on the ISS under the 9th Visiting Crew (VC-9) Program. ... Official WEB-site of S.P.Korolev RSC Energia . ...

... Kepler's 3rd Law . 21a.Applying 3rd Law . ... Besides the Moon, Earth now has many artificial satellites, put up by us earthlings for a variety of purposes. ... where for a satellite orbiting Earth at distance of one Earth radius R E , the constant k equals k=gR E 2 . ... The velocity for a circular Earth orbit at any other distance r is similarly calculated, but one must take into account that the force of gravity is weaker at greater distances, by a factor (R E / r) 2 . ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Report on the activities of the IAU/IAG Joint Working Group on Theory of Earth Rotation JosИ M. FerrАndiz and Richard S. Gross JSR 2014, St. Petersburg, 23 September IAU/IAG JWG on Theory of Earth Rotation 2 Introduction: purpose of the IAU/IAG JWG_ThER · The International Association of Geodesy (IAG) and the International Astronomical Union (IAU) set up a new Joint Working Group on Theory of Earth Rotation in April 2013. ... Precession/Nutation (Chair: Juan Getino) 2. ...

... 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. ...

... Maintenance and Work Completed on M1: September 10, 1999 . Whiffles Installed on M2: September 10, 1999 . M1 Support System Maintenance: September 10, 1999 . M1 Temperature Sensor Work and Repair: September 10, 1999 . M1 Hex-cell Deterioration: September 14, 1999 . ... M1 Whiffle Mount and M1 Back, September 21, 1999 . ... Views of Secondary Mirror (Back): April 13, 2000 . ... Front Portals: June 8, 2001 . ... M2 and M3 Baffle Work: June 8, 2005 . ... M3 Work: November 7, 2007 . ...

... Phase Correction Algorithms | ... R. Bolton, B. Nikolic, J. Richer, The Power Spectrum of Atmospheric Path Fluctuations at the ALMA Site from Water Vapour Radiometer Observations , ALMA Memo 592, PDF , ALMA Memo series entry . Emily I. Curtis, Bojan Nikolic, John S. Richer and Juan R. Pardo, Atmospheric dispersion and the implications for phase calibration , ALMA Memo 590. ... B. Nikolic, ALMA Phase Calibration/Correction , Presented at Algorithms 2008 Workshop, Oxford, December 2008. pdf . ...

... For a timeline of the exploration of the magnetic environment of the Earth, Sun and Planets, see here . ... Galileo Galilei (1564-1642) builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way Venus goes through phases like the Moon (crescent, etc.) ... 17 December--First successful flight by the Wright brothers at Kitty Hawk, North Carolina. ... 16 March--Goddard launches his first liquid-fuel rocket. ...

... Discovering Near-Earth Asteroids . ... The LINEAR program is operated by MIT Lincoln Laboratory under NASA and Air Force sponsorship . ... Dr. Stokes directs the development and operations of the Lincoln Near-Earth Asteroid Research program, under NASA and Air Force Space Command sponsorship. ... Dr. Stokes was honored with the Air Force Meritorious Civilian Service Award for his four years of service to the Air Force Science Advisory Board. ... Copyright (c) Amateur Telescope Makers of Boston, Inc....

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