... 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 . ...

... Credit Copyright: NASA , NOAA/DSCOVR Explanation: The Moon was new on July 16. ... But on that date a million miles away , the Deep Space Climate Observatory (DSCOVR) spacecraft's Earth Polychromatic Imaging Camera (EPIC) captured this view of an apparently Full Moon crossing in front of a Full Earth. In fact, seen from the spacecraft's position beyond the Moon's orbit and between Earth and Sun, the fully illuminated lunar hemisphere is the less familiar farside . ... NASA Official: Jay Norris. ...

... 2016 January 4 . Earthset from the Lunar Reconnaissance Orbiter . Image Credit: NASA / GSFC / Arizona State U./ Lunar Reconnaissance Orbiter . Explanation: On the Moon, the Earth never rises -- or sets. ... Curiously, the featured image does picture the Earth setting over a lunar edge. This was possible because the image was taken from a spacecraft orbiting the Moon - specifically the Lunar Reconnaissance Orbiter (LRO). ... About APOD | ...

... 2000 March 25 . The Earth Also Rises . Credit: The Lunar Orbiter Project , NASA . Explanation: The Lunar Orbiter 1 spacecraft was launched in 1966 to map the lunar surface in preparation for the Apollo moon landings . NASA's plucky robotic explorer performed its job well and pioneered this classic view of the Earth poised above the lunar horizon. The first humans to directly witness a similar scene were the Apollo 8 astronauts . ... About APOD | ... NASA Technical Rep.: ...

... F. Rodionova and E. A. Kozlova . ... Sternberg State Astronomical Institute, 119899, Moscow, Russia; jeanna@sai.msu ru. ... Brown University - Vernadsky Institute Microsymposium 34, October 8-9, 2001, Moscow, Russia . ... Brown University - Vernadsky Institute Microsymposium 38, October 27-29, 2003, Moscow, Russia . ... Brown University - Vernadsky Institute Microsymposium 40, 2004, Moscow, Russia . ... 1 Sternberg State Astronomical Institute Lomonosov Moscow University, Russia; marss8@mail.ru . ...

... 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. ...

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...

... Munching on Lunar Cheese . ... Rarely have most of us really watched a lunar eclipse. Let's observe the lunar eclipse this month and see what the shadow-play can teach us about Earth and its little mate. ... My grandparents came out, we sat on bales of hay in a field, ate our hot dogs and roasted marshmallows, and watched a huge full Moon fall into Earth's ruddy red shadow. ... The ancient Greeks knew this, too, and they saw Earth's circular shadow on the Moon during lunar eclipses. ...

... Spacecraft . ... To space by cannon? Finally, the deep space explorers --spacecraft which break away from the Earth's gravity . ... The "Luna" series of the USSR conducted 7 soft landing of unmanned probes, two of them with wheeled robotic "Lunokhods," and two of those missions returned samples to Earth. Others spacecraft have visited the major planets of the Solar system. ... The Mariner series have explored Venus and Mars--and Mariner 10 even reached Mercury, for three separate encounters! ...

Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...

... These trajectories have an initial flight from the Earth to a large distance (of about 1.5 million km), the following passive flight to the Moon's orbit, an approach to the Moon with a decrease of an energy of a particle (spacecraft) selenocentric motion to a negative value and the temporary capture in an elliptic orbit of the Moon's satellite. ... Several trajectories of this type are determined. ... Ivashkin V. V. On optimal trajectories of space flight to the Moon in the Earth--Moon--Sun system. ...

... Supernova showered Earth with radioactive debris . ... Asteroid DayУ?т??т??s Don Yeomans: Will asteroid 2013 TX68 strike Earth? ... Gift Center . ... Earth spins as it orbits the Sun, and the solar system is orbiting the galactic center. So, if I go outside and look up, in what direction are we heading? ... When you gaze up at the constellation Hercules, you are looking out the front window of the spacecraft called Earth. ... Get instant access to subscriber content on Astronomy.com! ...

Go directly to the moons of: . Mercury Venus Mars Jupiter Saturn Uranus Neptune Pluto . MARS . Pronunciation . Earth's Moon . ... Aeolis . ... Aestuum . ... Aeria . ... A-muh-ZAHN-is . ...

Lunar Libration . Articles | ... Actually, a slight rocking motion, called libration,* makes about 59% of the Moon's surface visible from our planet Earth -- though only 50% at any one time. ... Add to that, the approximate 1.5 degree tilt of the Moon's equator to the ecliptic, and you have the inclination of the Moon's equator to the plane of its orbit around Earth at some 6.5 degrees (5 + 1.5 = 6.5). ... Re-published on Astronomy Net with permission of the author. ... www.astronomy.net . ...

... 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 . ...

... Rain, Rivers and the Icy Landscape of Titan . ... Thursday, Mar 14, 2013 at 8:00 PM . This month’s speaker will be Dr. Taylor Perron of the MIT Department of Earth, Atmospheric and Planetary Sciences whose research focuses on the physical processes that create landscapes, both on earth and on other planets and moons. ... Unlike rivers on Earth and Mars, Titan’s landscapes have been carved into water ice by liquid hydrocarbons. ... Mar . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... 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 . ...

... 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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