... Credit: Mars Exploration Rover Mission , JPL , NASA Explanation: How prevalent was water on Mars? Results from the Spirit rover now indicate that Gusev crater likely had a wet past, a result that comes shortly after Spirit's twin rover Opportunity uncovered clear evidence of past water at Meridiani Planum on the other side of Mars . ... The amount of Mars once covered by ancient water remains unknown, as both rovers landed in regions thought likely to once be underwater. ... Mars in View . ...

... 2004 March 10 . Humphrey Rock Indicates Ancient Martian Water . Credit: Mars Exploration Rover Mission , JPL , NASA . Explanation: How prevalent was water on Mars? Results from the Spirit rover now indicate that Gusev crater likely had a wet past, a result that comes shortly after Spirit's twin rover Opportunity uncovered clear evidence of past water at Meridiani Planum on the other side of Mars . ... About APOD | ...

... Pre-university education . ... Samara region . ... Weather . ... Samara State Aerospace University Students life What's the Weather Like? Average wintertime temperature is -15 degrees Centigrade. ... On the coldest days, the temperature can drop to as low as -30 - -35 degrees. There s lots of snow in February. ... The snow usually melts by early May, and the first summer days arrive in the second half of May. ... On the hottest summer days, the temperature can rise to as high as +30 degrees. ...

... Animation of the neutral hydrogen data cube from Westerbork. ... VIRGOHI 21 was a dark galaxy candidate discovered in 2005 it was found to contain no starlight down to a very low surface-brightness level, yet its velocity structure implied that it had a mass of 10 10 10 11 solar masses. ... VIRGOHI 21 was first observed in the 21-cm line of neutral hydrogen with the Lovell telescope at Jodrell Bank Observatory and the detection was confirmed using the Arecibo telescope ( Davies et al. ...

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...

... My interest in astronomy and physics likely had early roots in growing up in a dark suburb where the summer nights unveiled the rich tapestry of stars overhead. ... I grew to like the sciences as my favorite subjects - opening new ways to view the world around us. ... Therefore, Heritage is a natural extension of my interest in bringing science, particularly astronomy to the public in new, better, and unusual ways. Science is art. My current passion is science visualization. ...

Ariel . ... Ariel [AIR-ee-al] is a relatively small satellite and is the brightest moon of Uranus. ... This image of Ariel shows a world pock-marked with craters. ... This image is a mercator map of Ariel. ... This image is a polar stereographic map of the southern hemisphere of Ariel. ... This image is an orthographic view of Ariel centered at -66 degrees latitude and 316 degrees longitude. ... This image of Ariel is at the same geometry of the highest resolution mosaic of Ariel taken by Voyager. ...

... Sighting the telescope, first at the tree and then at pole B, you measure the angle A of the triangle ABC, equal to the difference between the numbers you have read from the azimuth plate.. ... Why triangles? ... One large surveying project of the 1800s was the " Great Trigonometric Survey " of British India. ... Everest was the one who commisioned and first used those giant theodolites; they are now on display in the Museum of the Survey of India in Dehra Dum. ... Everest . ...

... Many scientific institutions maintain bibliographies of articles published by their scientists and monitor references made to these publications; these figures are often used to evaluate the effectiveness of the institution. ... a) Identification of papers that are based, at least partly, on new data Publications based on observations can be subdivided into two groups: those presenting new, previously unreported data, and those that make use of already published data. ... Published by . ...

... TEXAS SURVEY: THE PRELIMINARY -35 and stronger than 0.25 Jy is intended to provide accurate (one arc-second rms error) positions, flux densities and structure models for each of the ~70000 sources expected to be listed. ... Average rms position accuracy for point sources is 1" in RA and 0.5" in DEC. ... 1 is the source name in IAU format. ... Thus, (+1,+1) means the second most likely lobe is 51.8" LATER in RA, and 51.8"*sec(z) HIGHER in DEC than the position listed. ...

... March 17 (UPI) -- Shuttle Columbia was shedding debris long before sensor malfunctions and unusual flight handling characteristics indicated the ship and its seven astronauts were in trouble, a video compiled by NASA and released Monday shows. ... Added NASA flight director Paul Hill, who heads a team that compiled the Columbia re-entry video: "If you go look at (the debris) laying on the ground there (at Kennedy Space Center), you don't have a spacecraft laying there, you got a whole lot of nothing...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Mercury Magazine . ... Pedagogical Adaptation: A Case Study in Teaching Across Cultures . ... In this brief essay, I will discuss the changing economic forces in Botswana and the central role that physics plays in this transformation, the emerging University system, and the pedagogical adaptations that a physics professor must make to teach effectively the pupils of the Kalahari. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... Astronomy for Kids . ... Picture of the Day . ... What would a uranian day and year be like? What path across the sky would the Sun follow? ... Uranus extreme tilt of 82 (Earth tilts 23.5 ) makes for some exotic seasons, but let s start at equinox, when the Sun shines directly over the uranian equator; on that day, the skies would seem fairly ordinary. ... Get instant access to subscriber content on Astronomy.com! ...

... Sighting the telescope, first at the tree and then at pole B, you measure the angle A of the triangle ABC, equal to the difference between the numbers you have read from the azimuth plate.. ... Why triangles? ... One large surveying project of the 1800s was the " Great Trigonometric Survey " of British India. ... Everest was the one who commisioned and first used those giant theodolites; they are now on display in the Museum of the Survey of India in Dehra Dum. ... Everest . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Alien Life . ... Space Flight . ... NASA astronaut Reid Wiseman, Expedition 40/41 flight engineer, participates in an Extravehicular Mobility Unit (EMU) spacesuit fit check at NASA?s Johnson Space Center. Image credit: NASA) . Step up the next astronaut who really took on the task of showing us earthlings the wonders of being an astronaut on the International Space Station (ISS) Reid Wiseman . ...

... Bad Astronomy . Misconceptions . ... The White Bunny . ... If you download the medium or big image, and look about halfway down and two-thirds of the way to the right, you'll see an unusual-looking object sitting on its own, several meters from anything else. ... Hoagland, of course, had to pipe up about this, so he put up a picture on his site claiming that the object was "optically removed" by NASA from later images, and the "bunny" had been run over twice by the rover. ... 2008 Phil Plait. ...

... About meteorites . ... Meteoritic data . ... About laboratory . ... The lake is like a round mirror 200 meters in diameter, surrounded by a ring wall 350-400 meters across. ... The ring wall, especially well preserved along the southeast shore of the lake, the steep banks and the great depth, all indicated that at one time there had been a powerful explosion here. ... It is possible that the depth may have been 40 meters before but that the slumping of the banks was helping to decrease the depth. ...

Microsymposium 38, MS082, 2003 (A4 format) EVALUATING THE STRUCTURE OF THE SURFACE LAYER OF MERCURY. ... Photometric Analysis of the Lunar Surface Analogue. ... The phase function obtained directly on some segments of the lunar surface: 1- phase function of the Moon, 2 - phase function of Mercury, 3 - phase function of segments, converted to the lunar phase function system (correlation 0.8), 4 - phase function of segments, converted to the Mercurian phase function (correlation 0.9). ...

... Uncovering the Chemistry of Earth-like Planets . ... An Earth-like planet, born from the same nebula as its host star, is composed primarily of silicate rocks and an iron-nickel metal core, and depleted in volatile content in a systematic manner. The more volatile (easier to vaporize or dissociate into gas form) an element is in an Earth-like planet, the more depleted the element is compared to its host star. ... Apr . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

This page provides background material and audiovisual materials to accompany the press release "Comet Collision 'Armageddon' Unlikely". ... The signals from these molecules can be converted into sound waves by modern telescopes, giving us the chance to listen to the song of a comet. Audio Track: Song of a comet (mp3, 664kb) . Web page describing the conversion to sound in more detail, and sounds of other astronomical objects. Many many beautiful pictures of comets are available on-line. ...