... 2010 November 22 . A Dark Dune Field in Proctor Crater on Mars . ... Perhaps this clue will help: if the dark forms were bacteria , they would each span over football field across. What is actually being seen are large sand dunes on the floor of Proctor Crater on Mars. ... Similar dunes were first seen in Proctor Crater by Mariner 9 more than 35 years ago. ... About APOD | ...

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... Was this image taken with a telescope or a microscope? ... A Massive Star in NGC 6357 . ... For reasons unknown, NGC 6357 is forming some of the most massive stars ever discovered. ... The first identified compact galaxy group, Stephan's Quintet is featured in this eye-catching image constructed with data drawn from the extensive Hubble Legacy Archive. About 300 million light-years away, only four galaxies of the group are actually locked in a cosmic dance of repeated close encounters. ...

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• Layered Hills in Arabia Terra on Mars
• Layered Hills on Mars
• Journal "Peremennye Zvezdy"

... HST . ... Data . ... HST Overview . Overview . ... Retrieving HST Data . ... Temperature . ... Reference Files . ... This page has been set up to facilitate the making of dark reference files corresponding to a specific temperature. ... This means having a temperature sensitive dark reference file is critical to the calibration process. Right now this form only accomodates multiaccum data. ... These files contain engineering and support data for the observation, including the temperature. ...

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• Dr. Adam Riess - Dark Energy
• NICMOS Units Conversion Form

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• PPTA Wiki | PmWiki / Forms
• Pulsar Group PmWiki/Forms
• ATUC feedback form

... A rogue planet has been spotted wandering alone through space with no parent star in sight! ... It's even harder when the object is very dark and floating through space. ... These are star-like objects that are much bigger than planets up to about 80 times bigger than Jupiter but too small to be stars. ... Cool Fact: Some astronomers say there are about twice as many rogue planets as there are stars in our galaxy; other think there are up to 100,000 times more! ...

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• The Crab Nebula in Taurus | ESO
• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• Panning across the Lupus 3 dark cloud and associated hot young stars | ESO

... STScI-PRC99-27 A CLOSER ENCOUNTER WITH MARS Taking advantage of Mars's closest approach to Earth in eight years, astronomers using NASA's Hubble Space Telescope have taken the space-based observatory's sharpest views yet of the Red Planet. ... In these views the north polar cap is tilted toward the Earth and is visible prominently at the top of each picture. ... Dark sand dunes that surround the polar cap merge into a large, dark region called Acidalia. ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/M16Full.txt
• Jupiter Moon Callisto
• Educator's Guide to Impact Craters

... Armagh Planetarium . ... Universe . ... Posted on November 25, 2011 | ... Continue Reading.. ... 1 Comment Here is possibly the only joke in all of astronomy. ... Posted on October 20, 2011 | ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ... So that's the introduction out of the way, now on with the Universe! ...

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• Water on Mars: Evidence from NASA | Astronotes
• ESO reveals end of cosmic Dark ages | Astronotes
• Mars: High Resolution Images | Astronotes

... 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. ...

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• New Resident Tax Information
• VIRGOHI 21
• The Pleiades

... Impact craters and associated concentric rings are about the only features to be found on Callisto. ... It has a bright central region that is 600 kilometers in diameter, and its rings extend to 3000 kilometers in diameter. ... This image shows the heavily cratered surface of Callisto. ... Also visible is a fresh, sharp-rimmed crater some 90 km (56 miles) across named Igaluk (center left third of picture), and a bright zone in the south polar area (bottom of image) which could be an impact scar. ...

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• Mars' Moon Phobos
• LOC Information (I)
• Sagan Memorial Station (Pathfinder)

. High-Resolution Stereo Camera (HRSC) nadir and color channel data taken June 19 2011 by ESAт??s Mars Express have been combined to form a natural-color view of the Danielson and Kalocsa craters and their environment in the Arabia Terra region. Centered at around 7ТАN and 353ТАE, this image has a ground resolution of about 26m per pixel. The image shows the yardangs bisected by the darker dune field in Danielson crater. Credit: ESA/DLR/FU Berlin (G. Neukum)

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• How close could you be to witness Arizona's meteor crater form and still live
• MGS sees changing face of Mars | Astronomy.com
• Stars emerge from darkness in nearby stellar nursery | Astronomy.com

home publications > mercury . ... Books . ... How Do Planets Form? ... Astronomers are looking for clues from our solar system and others to determine whether planets form easy and fast or hard and slow. by David A. Weintraub, Vanderbilt University . The recent discovery of at least 50 extrasolar giant planets is one of the most profound and exciting events in modern science. ... Being an impatient lot, astronomers don't want to wait for a decade or more until the technology becomes available. ...

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• ASP: White Mars: The Story of the Red Planet Without Water
• ASP: Editorial
• ASP/IAU Volumes Order Form

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... des pages consacr?йes ?а la publication de vos photos Mais c'est aussi une vraie communaut?й avec laquelle partager votre passion et nourrir votre curiosit?й. Accueil Grail a form?й deux nouveaux crat?иres sur la Lune . ... LRO observe deux nouveaux crat?иres . Le 17 d?йcembre 2012, les deux sondes de la mission Grail se sont ?йcras?йes ?а la surface de la Lune . ... Pour Ebb (Grail-A) : . ...

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• Le m?йthane, preuve de vie sur Mars ? | Ciel et Espace
• Opportunity d?йcouvre lтАЩeau chaude sur Mars | Ciel et Espace
• De la glace d'eau d?йcouverte sous la surface de Mars | Ciel et Espace

The coordinates, diameters, altitudes and morphological features of all the craters of Mars exceeding 10 km in diameter, totaling 19 308, are compiled. ... The catalogue is intended for use by investigators of Mars, students, in comparative planetology and in the selection of craters for naming. ... 1 one terrace . 2 many terraces . ... 6 many hills and one ridge . 7 one hill and many ridges . ... 1 one crater . 2 many craters . ... Sample craters of different morphological categories . ...

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• Zhanna F. Rodionova
• Gregory G. Michael
• Родионова Жанна Федоровна

... Gallery . ... Mars . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . ... Title: Mars rotating . Description: These images were taken from the 24-inch (60cm) telescope at Siding Spring during the apparition of Mars in 2001. ... NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ... Mars rotating These images were taken from the 24-inch (60cm) telescope at Siding Spring during the apparition of Mars in 2001. ...

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• Mars with south polar ice cap at top
• Designated Observatory Application
• Mars viewed with ANU's 24-inch (60cm) telescope

This Directory contains mean hourly, mean daily and mean monthly values of cosmic ray intensity recorded by World Network NM stations to the end of 2011. ... CD is created in WDC for STP, Moscow and IZMIRAN. ... This directiry contains catalogue Corrected for pressure and verificated data in WDC for STP, Moscow . This directiry contains catalogue Corrected only for pressure but Original data in WDC for STP, Moscow . ... 20 May - 22 July 1972, M., 1975 6. 27 March - 22 July 1972, M., 1975 7. ...

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• Magnetic storms

Home: 80-1-346, Kashirskoye shosse, 115569 Moscow Russia . ... Department of Mathematics February 1996 -- present Senior Researcher Institute for System Research Russian Academy of Sciences Moscow , Russia February -- May 1994, Visiting Researcher April -- July 1996 MPIM - Bonn, Germany November 1990 -- January 1996 Leading Researcher Institute of New Technologies Moscow , Russia September 1991 -- present Professor Higher College of Mathematics Independent University ...

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• Yu. Burman: Publications
• Registration Form
• Labo J.-V.Poncelet: O.Karpenkov

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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• MARSES Homepage | Project Information
• Space Research Institute (IKI) Seminar
• HEND's publications

... Short reports. ... For the countries, starting their activity at the International Astronomy Olympiad (see the Supplementary Instructions N 3 ), the requirements for the short report are not strong. ... According to the information above the regular deadline for receiving the short reports of Nationals Olympiads of the current year (with a set of all problems used on the National Olympiads) is defined as 13 plus 5 = 18 weeks before the Olympiad: July 04 , 2009. ... Personal data for visas. ...

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• International Astronomy Olympiad: Form for the short report of National
• XIV International Astronomy Olympiad, fees
• XVI International Astronomy Olympiad, information before Olympiad

... Dept. for Astrometry & Space Geodynamics . ... Conferences . ... Borysenko S.A. A program to discover comets. ... 6th Open Young Scientists' Conference on Astronomy and Space Physics, April 27-30, 1999, Kyiv Borysenko S.A. First results of dynamical spectroscopy of comet Halley. ... 8th Open Young Scientists Conference on Astronomy and Space Physics, April, 2001, Kyiv Borysenko S.A. Solar activity in November-December 1985 and its effect on the fast variations in the spectral lines of comet Halley ....

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• Publications
• Publication directory
• Pre-registration form

... The Large Telescopes Program Committee of Russian AS . ... Executive Secretary, e-mail: request@sao.ru . Telescope RATAN-600 Time Request deadline: I half-year (Jan. ... Program title .. ... Principal investigator .. ... Request status .. ... Retarded applications and ones not conforming to form will not be accepted by the Committee. ... In some exceptional cases the Program Committee Secretary can accept a request after deadline with permission of the Chairman of Committee or director of SAO RAS. ...

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• Large telescopes application form
• Zeiss-1000 telescope application form
• Electronic version of Russian Bulletin