... 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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... Hubble s Jupiter and Shrinking Great Red Spot . ... It's also known for a giant swirling storm system, the Great Red Spot , featured in this sharp Hubble image from April 21. Nestled between Jupiter-girdling cloud bands, the Great Red Spot itself could still easily swallow Earth, but lately it has been shrinking. The most recent Hubble observations measure the spot to be about 10,250 miles (16,500 kilometers) across. ... Publications with keywords: Jupiter - Great Red Spot . ...

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... 2012 April 27 . Jupiter and the Moons of Earth . ... Explanation: Planet Earth has many moons . ... Just below and left of the young crescent is Jupiter, another bright celestial beacon hovering near the western horizon in early evening skies. Only briefly, as seen from the photographer's location, Jupiter and these moons of Earth formed the remarkably close triple conjunction. Of course, Jupiter has many moons too. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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Hubble Finds Ozone on Jupiter's Moon Ganymede . Courtesy of the Space Telescope Science Institute . ... Hubble found ozone's spectral fingerprint during observations of Ganymede made by Keith Noll and colleagues at the Space Telescope Science Institute, Baltimore, Maryland. ... CONTACT: Ray Villard FOR RELEASE: October 10, 1995 Space Telescope Science Institute (Phone: 410-338-4514) Keith Noll Space Telescope Science Institute, Baltimore, MD (Phone: 410-338-1828) PRESS RELEASE NO.: ... Ganymede . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... December . ... Posted on December 16, 2013 | 1 Comment Mission X: Train Like an Astronaut is an international educational challenge focusing on fitness and nutrition encouraging students to ?train like an astronaut.? ... Continue Reading.. ... No Comments Our Image of the Month was released to celebrate the 22nd anniversary of the NASA/ESA Hubble Space Telescope and is a striking panoramic look at a stellar nursery which is [ ] . ...

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... Listed below are questions submitted by users of "The Exploration of the Earth's Magnetosphere" and the answers given to them. ... The ones included below are either of the sort that keeps coming up again and again--the danger of solar eruptions, the reversal of the Earth's magnetic field, etc.-- or else the answers make a special point, going into extra details which might interest other users. ... Radiation Belts and Manned Space Flight . ... Capturing the Energy of the Solar Wind . ...

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... HST . ... HST Peer Review Process . ... HST Overview . Overview . ... Cycle 24 Announcement . ... The list of HRC Earth Flats by filter is shown below. ... UNCONFIRMED FWOF file_name det useafter pedigree lphearthsm02f775w-aft.fits HRC Aug 13 2002 INFLIGHT 13/08/ 2002 15/09/ 2005 lphearthsm03f606w-aft.fits HRC Aug 13 2002 INFLIGHT 13/08/ 2002 15/09/ 2005 lphearthsm03f660n-aft.fits HRC Aug 13 2002 INFLIGHT 13/08/ 2002 15/09/ 2005 lphearthsm03f814w-aft.fits ...

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... 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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... 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 Earth's magnetosphere is not unique. Space probes which have visited the giant planets--Jupiter, Saturn, Uranus and Neptune--found that all were magnetized, even more intensely than the Earth, and all were surrounded by radiation belts. ... The Sun, stars and the distant visible universe are mostly plasma, and it turns out that like the magnetosphere, they too can contain high-energy particles, some of them energized above and beyond the levels found in the Earth's magnetosphere. ...

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... 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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.

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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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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 . ...

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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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• The first launch from the space launcher complex Vostochniy will start the new

... Special Reports Giant space cloud may be powered by black holes 17:57 23 April 2007 NewScientist.com news service David Shiga An enormous cloud of roiling plasma in space may be drawing its energy from black holes, new observations suggest. Such clouds might be sources for the mysterious particles that occasionally crash into Earth's atmosphere at ultra - high speed. ... But higher energy particles in the cloud may be able to escape, he says. ...

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... 142,800 Mean density (kg/m^3) .. ... 5.203 Rotation period (length of day in Earth hours).. 9.8 Revolution period (length of year) (in Earth years). 11.86 Obliquity (tilt of axis) (degrees).. 3.08 Orbit inclination (degrees).. 1.3 Orbit eccentricity.. 0.048 Mean surface temperature (K)........................ 120 (cloud tops) Visual geometric albedo.. 0.44 Atmospheric components.............................. 90% hydrogen, 10% helium, .07% methane Rings.. ...

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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 © TESIS: www.tesis.lebedev.ru . ... The First Powerful Areas of the New Solar Cycle (WMV movie, 4.0 MB) . ...

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