... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 February 18 . The Great Russian Meteor of 2013 . ... It is already certain that this meteor had nothing to do with the several-times larger asteroid 2012 DA14 which passed the Earth from a different direction later the same day. ... Gallery: Videos and images of the Great Russian Meteor . ... About APOD | ...

Astronomy Picture of the Day . The Great Russian Meteor of 2013 . ... It is already certain that this meteor had nothing to do with the several-times larger asteroid 2012 DA14 which passed the Earth from a different direction later the same day. ... Gallery: Videos and images of the Great Russian Meteor . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: meteor - fireball - sonic boom . Publications with words: meteor - fireball - sonic boom . ...

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... 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 . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Other Galaxies . ... Light of other eyes, other times: The X-rays and IR radiation making up the image have been travelling for a long time. ... The inspiration here came from a new ESA image of M31, the Andromeda Galaxy, composed from two very different images. ... Our nearest galactic neighbour, the Andromeda Galaxy?s brightness is caused by the hundreds of billions of stars that are contained within. ...

... 2000 January 4 . Galaxies Cluster Toward the Great Attractor . ... The galaxies pictured above are part of a cluster of galaxies called ACO 3627 near the center of the Great Attractor . ... The Great Attractor is a diffuse mass concentration fully 250 million light-years away, but so large it pulls our own Milky Way Galaxy and millions of others galaxies towards it. Many of the galaxies in ACO 3627 are slowly heading towards collisions with each other. ... About APOD > . ...

... The greater the distance, the smaller the parallax. ... That triangle has the same proportions as the much larger triangle ABC, and therefore, if the distance B'C to the thumb is 10 times the distance A'B' between the eyes, the distance AC to the far landmark is also 10 times the distance AB. ... The most distant objects our eyes can see are the stars, and they are very far indeed: light which moves at 300,000 kilometers (186,000 miles) per second, would take years, often many years, to reach them. ...

... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...

... The Galway Astronomy Club are pleased to announce details of their upcoming Astronomy Festival to take place at the 4* Westwood House Hotel from Friday February 12th to Saturday February 13th 2010. The event will be styled in the same manner as this year (which worked very well) and will have ten different speakers. ... Dr Aaron Golden NUI Galway: тАЬHas Earth Contaminated the Solar System? тАУ the Case for Life on MarsтАЭ . ... International Year of Astronomy, Ireland National Node . ...

... ME AND MY SCHOOL . SOURCES . THE CHART OF THE DIFFERENCES IN THE SPELLING OF SOME WORDS CONNECTED WITH SCHOOL AND EDUCATIONAL SYSTEM IN BRITAIN AMERICA. ... РАЗЛИЧНЫЕ СТРАНЫ ИМЕЮТ РАЗЛИЧНЫЕ СИСТЕМЫ ОБРАЗОВАНИЯ, НАПРИМЕР ВЕЛИКОБРИТАНИЯ ИЛИ СОЕДИНЕННЫЕ ШТАТЫ. ... ОБО МНЕ И МОЕЙ ШКОЛЕ(ME AND MY SCHOOL), . ... А ТАКЖЕ ВАМ ПРЕДЛАГАЕТСЯ ТАБЛИЦА РАЗЛИЧИЙ В НАПИСАНИИ И ПРОИЗНОШЕНИИ СЛОВ СВЯЗАННЫХ С ОБРАЗОВАТЕЛЬНОЙ СИСТЕМОЙ В США(AMERICAN ENGLISH)И ВЕЛИКОБРИТАНИИ(BRITISH ENGLISH)-THE CHART . ...

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These observations are aimed at fully charactering FORS1 photometric system (UBVRI zero-points, color-terms and extinction coefficients) for the Tektronix 2048x2048 pixel CCD (24µm px) . To this aim, the two Landolt/Stetson photometric fields SA95 and SA101 will be observed on a number of epochs and at different airmasses during February and March 2007. ... SA101 . ... OBs for SA101 have to be observed during evenigh twilight (exceptions are expected for the second half of March) . ...

TUI supports the following offsets: . Object Arc offset by a given amount on the sky (i.e. along the arc of a great circle). ... Arc offsets are useful for moving a different portion of your object or a different nearby object onto the boresight . ... Object Arc XY this is identical to an Object offset except that it has been rotated to align along the instrument x-y axes. ... This is just like the Calibration XY offset, except that it is typically cleared when you slew to a new object. ...

These are the images from December 1997 and January 1998 . ... Rhiannon helps celebrate Great-uncle Bob's 80th birthday. Good-bye to Grandpa Howell in California. On to see the Nolans in New Orleans. The Nolan Christmas portrait. Rhiannon gets into trimming the tree. Uncle Tom brings out the Christmas cheer! ... One of her favorites: Blue Hat, Green Hat. Ellen Howell <ehowell@naic.edu> Last modified: Sun Mar 30 22:11:32 AST ...

National Aeronautics and Space Administration . Lyndon B. Johnson Space Center . ... MARY L. CLEAVE (PH.D., P.E.) . NASA ASTRONAUT (FORMER) . ... EXPERIENCE: Dr. Cleave held graduate research, research phycologist, and research engineer assignments in the Ecology Center and the Utah Water Research Laboratory at Utah State University from September 1971 to June 1980. ... Dr. Cleave left JSC in May 1991 to join NASA's Goddard Space Flight Center in Greenbelt, Maryland. ...

Blackholes Forum Message . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums | Blackholes I | ... There Are Two Different Situations Here! Forum List | ... Back to Thread Topics | ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... As if great books about probability and information theory for statisticians and engineers exist, I believe there are great statistical physics books for physicists. ... In this regard, I thought the lecture note can be useful. [arxiv:physics.data-an:0808.0012] . ... Tags: Bayes Theorem , Boltzmann , Carnot , Entropy , Gibbs paradox , Information , laws of thermodynamics , lecture note , maximum likelihood , probability , Shannon , statistical physics , Tchebyshev inequality , thermodynamics . ...

Momentum Thursday, 24 February 2011 Quick Introduction to Momentum Principle · We will come back to all of this - this is just a taster. ... Thursday, 24 February 2011 What is this (Gamma)? = 1 1- v c 2 You are probably familiar with momentum - mass times velocity - but the real equation has this extra term in it. ... Thursday, 24 February 2011 Thursday, 24 February 2011 Thursday, 24 February 2011 Don't normally need to worry about Gamma · Unless you are dealing with remarkably fast motion! ...

MINUTES of the RadioAstron Teleconference on January 19, 2011 N. Kardashev chaired the teleconference. ... NRAO and MPIfR representatives expressed their willing to correlate RadioAstron data, and they stressed the necessity of agreements on the formats of correlator logs, time-correction file, and reconstructed orbit presentation. ... New Zeland JIVE, The Netherlands ASC, Russia NRAO, USA NRAO, USA ASC, Russia ASC, Russia NRAO, USA ASC, Russia MPIfR, Germany ASC, Russia JPL, USA NRAO, USA NAIC, USA ...

... 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? ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . Monograph Publications . IAU Publications . ... Publications of the ASP (PASP) . ... Mercury Magazine . ... Astronomy Beat . ... Mercury Magazine Contents . ... January/February 1999 . ... More than Just a Planet, It's a Meal , Eric Sandquist . ... Life On The Mountain: An Astronomical Family Scrapbook of Mount Wilson Observatory, Don Nicholson and Scott W. Teare . ... publications . ...