... 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 . ...

... GRACE Maps the Gravity of Earth . ... To help better understand the Earth's surface , slight distance changes between a pair of identically orbiting satellites named GRACE have been used to create the best ever map of Earth's gravitational field . ... Maps like this also help calibrate changes in the Earth's surface including variable ocean currents and the melting of glaciers . ... Publications with keywords: GRACE - Earth . ... Hurricane Paths on Planet Earth . ... All the Water on Planet Earth . ...

... 2014 December 15 . The Potsdam Gravity Potato . ... Explanation: Why do some places on Earth have higher gravity than others? ... Since a center for studying these data is in Potsdam , Germany , and since the result makes the Earth look somewhat like a potato, the resulting geoid has been referred to as the Potsdam Gravity Potato. High areas on this map , colored red, indicate areas where gravity is slightly stronger than usual, while in blue areas gravity is slightly weaker. ... About APOD | ...

... 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. ...

An astronaut in low Earth orbit moves in (approximately) a big circle extending around the Earth. ... That can be interpreted as stating that in the astronaut's frame of reference, all bodies are subject to two forces, gravity and the centrifugal force, and the two are in perfect balance, adding up to zero. ... Wheel-shaped space . ... The science-fiction film "2001: A Space Odyssey" featured spinning space station, whose rotation provided the crew with "artificial gravity." ...

Apollo 11 astronaut Edwin Aldrin photographed this footprint in the lunar soil as part of an experiment to study the nature of lunar dust and the effects of pressure on the surface. ... The footprint image has also become one of the enduring symbols of the first visit to the Moon. ... Central Latitude/Longitude (deg): -00.57,023.49 E . ... Illumination Incidence Angle (deg): N/A . ... NASA Image ID number: AS11-40-5878 . ... Code 633, NASA Goddard Space Flight Center . Greenbelt, MD 20771, USA . ...

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

... Satellite data ] . ... The SCANOR system provides receiving and processing of the Earth-surface pictures made in visible and infra-red bands and transferred by satellites of the NOAA polar orbiter series (in the HRPT mode). ... The SCANOR system includes the desktop receiving device connected to an IBM AT 386 type computer, and the parabolic antenna with the guiding mechanism. The SCANOR system possesses the state-of-art software providing registration and processing of the received data. ...

... 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. ...

... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...

... In the central equatorial Pacific, the large area of warmer than normal sea surface temperatures (large area outlined in red with a white center) associated with growing El Nino conditions has recently migrated eastward toward the coast of South America. http://physicaplus.org.il/zope/home/en/1105389911/1113511992_en На этой странице есть презентации с конференции, где активно обсуждалась . ... Картинка со страницы со статьей Шавива. http://physicaplus.org.il/zope/home/en/1105389911/1113511992_en . ...

... Research . ... NASA's "follow the water" philosophy has led me to study atmosphere-regolith interactions on Mars in search for locations and times where liquid water is available. ... Transient liquid water and water activity at Gale crater Mars. ... Rivera-Valentin, E. G. , Chevrier, V. F., 2015. ... Icarus , 253, 156-158. Lopez Garcia, E. J., Rivera-Valentin, E. G. , Schenk, P. M., Hammond, N. P., Barr, A. C., 2014. ... Icarus , 237, 419-421. ... Chevrier, V. F., Rivera-Valentin, E. G. , 2012. ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "That's as remote as the dark side of the Moon!" ... As the tired, hackneyed refrains went on, one in particular caught my ear: " Fly me away to the bright side of the moon, and meet me on the other side." ... As the Moon orbits the Earth, different parts of it get illuminated by the Sun. ... Bad Addendum : At the end of the album "Dark Side of the Moon" by Pink Floyd, there is a voiceover that actually says "There is no dark side of the moon. ...

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. ...

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The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

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 . ...

Spinning discs in space Mass feeding and feedback in YSOs . ScienceAlert Ever wonder how solar-mass stars form? By Tim Wetherell. Sticking to the stars . The complex processes creating accretion discs . ... Disks, Winds and Jets: From Planets to Quasars . ... Theory and modelling of accretion processes . Protoplanetary discs . ... Star formation . Jets and winds . ... Email: raquel@mso.anu.edu.au . ... Webpage: http://www.mso.anu.edu.au/~raquel/ . ...

... 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). ...

... 3 ­ Sternberg State Astronomical Institute, Moscow, :jeanna@sai.msu.ru The graphic method of the analysis of an arrangement of linear structural elements on geographical and geological maps of continents (A.V.Dolitsky, [1]) has allowed to find out global stress fields of the past and among them one which directions (the main normal and maximal tangents) describe more than 80 % of all linear elements of a relief. ... The found poles share program way on density of an arrangement on 3-4 groups. ...