... NASA , NSF Explanation: Is our Earth unique? In continuing efforts to answer this question, astronomers have now discovered an Earth-like planet orbiting a distant normal star. ... Slight, fast, but regular wobbles of nearby small M - dwarf star Gliese 876 showed evidence for a planet with a likely mass slightly higher than a minimum six times the mass of Earth. ... Publications with keywords: planets - Earth - Gliese 876 . Publications with words: planets - Earth - Gliese 876 . ...

... ATNF Home . About ATNF . ... 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 . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Secret Inner Life of the Orion Nebula . ...

... 2000 June 20 . Ganymede: The Largest Moon in the Solar System . Credit: Galileo Project , JPL , NASA . Explanation: If Ganymede orbited the Sun, it would be considered a planet. The reason is that Jupiter 's moon Ganymede is not only the largest moon in the Solar System , it is larger than planets Mercury and Pluto . ... Ganymede, shown above in its natural colors, sports a large oval dark region known as Galileo Regio . ... About APOD | ... NASA Technical Rep.: ...

... Telescopes . ... The time requests are accepted in an electronic version with on-line form in Russian or English. ... Unregistered request will be disregarded by the Large Telescopes Programm Committee. In exclusive cases the secreatry of the Committee is entitled to accept an observational time request given permission of the Chairman of the Committee or the director of the SAO RAS. The Program Committee considers generally one time request submitted by the principal applicant. ...

... Science Users Information Future Facilities and Development E-ELT jump to navigation jump to content . ... Observing with ESO Telescopes . ... In December 2012 ESO Council fully approved the E-ELT Programme ( more , more , even more , still more ). ... In December 2014 ESO Council approved the construction of the E-ELT in two phases, and authorised spending on Phase 1 . ... 15 Jan 2012] Announcement of the E-ELT Workshop "Shaping E-ELT Science and Instrumentation" , 25 February 01 March 2013 . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Planets . ... This bizarrely shrunken planetary system was found by NASAтАЩs Kepler mission, hence the parent star has been named Kepler-11. ... Planetary scientist and Kepler science team member Jack Lissauer said ?These six planets are mixtures of rock and gases, possibly including water.тАЭ €аNone of these strange new worlds are likely to be home to any form of life; their surface conditions are simply too extreme. ...

... 8, ``Celestial Mechanics'', 2002 Formation and migration of trans -- Neptunian objects S. I. Ipatov 1;2 1 Institute of Applied Mathematics, Moscow, Russia 2 NASA/GSFC, Greenbelt, USA We support the Eneev's idea [1] that the largest (with diameter d?100 km) trans ­ Neptunian objects ( TNOs ) moving now in not very eccentric orbits ... The total amount of water delivered to the Earth during the formation of the giant planets was about the mass of water in the Earth's oceans. ...

... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

... Samara region . SSAU History . ... An alignment meeting on data mining, storage and processing of very large data amounts on the basis of hardware and software complex Big Data took place in Samara State Aerospace University. ... The laboratory for processing of very large data amounts on the basis of the hardware and software complex was made in the University and the necessary equipment was purchased. ... Data processing requires powerful processors and advanced computer programs. ... Big Data. ...

O ptimal transport : T heory and A pplications . ... This is a web site of the research project Optimal transport: Theory and applications to cosmological reconstruction and image processing (OTARIE) supported by the French National Research Agency ( Agence nationale de la recherche ) under contract ANR-07-BLAN-0235 . ... Optimal transport is a mathematical subject connecting the fields of optimization, partial differential equations, and dynamical systems in finite and infinite dimensions. ...

... Team . ... V.V.Sokolov "The gamma-ray bursts, core-collapse supernovae and global star forming rate at large redshifts" . ... I.V.Sokolov, A.S.Moskvitin, Eda Sonbas, O.V.Verkhodanov, O.P.Zhelenkova "A galaxy cluster in the GRB 021004 field" . ... The monitoring of GRB afterglows and the study of their host galaxies with the SAO RAS 6-m telescope from 1997". ... A.S.Moskvitin, T.A.Fatkhullin, V.V.Sokolov and V.N.Komarova, "Spectral and photometric monitoring of CCSNe at SAO RAS" . ...

... Tonight's Sky . ... Sky this Month . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Johns Hopkins University Applied Physics Lab, Laurel, Maryland . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Ganymede is the largest moon in our solar system, larger even than the planets Pluto and Mercury. ... Ganymede's surface consists of two main types of terrain: old, dark polygonal units, and young, bright valleys and ridges (see figure 11 ). ... In a similar way, hitting a large block of ice with a hammer makes white marks. ... Ganymede as seen by Voyager 2. ... Because Voyager couldn't spot any large impact craters, scientists have concluded that the moon's surface is young. ... Moon . ... Europa . ...

... The barycentric corrections computed in 8.7.1 are applied to the event times in a time-sorted QPOE file. ... output files: rp90_out.qp ti apply_bary input qpoe file name: rp90_sti.qp[ time =(1606720.0:1612809.8)] # see Note 1 2 input correction table filename: rp110590_cor.tab output qpoe file name: rp90_out event definition: medium SCC- UTC conversion table is calibrated to SCC 110883482.0000 first qpoe gti time = J.D. 2448062.97604379, SCC 1606720.00000000 last qpoe gti ...

... 2000 September 25 . AR 9169: A Large Sunspot . ... Explanation: One of the largest sunspots in recent years is now crossing our Sun . Dominating active region AR 9169 , the sunspot is the large dark complex visible below (west) and right of center in the above photograph of our Sun taken last Thursday. ... AR 9169 holds the largest sunspot yet produced during this Solar Maximum , the time of greatest sunspot activity during the Sun's 11-year magnetic cycle . ... About APOD | ...

... VLSS Redux version, 2012 . We present details of improvements to data processing and analysis which were recently used for a re-reduction of the Very Large Array (VLA) Low-frequency Sky Survey (VLSS) data. Algorithms described are implemented in the data-reduction package Obit, and include smart-windowing to reduce clean bias, improved automatic radio frequency interference removal, improved bright-source peeling, and higher-order Zernike fits to model the ionospheric phase contributions. ...

The accommodation fees for the V APAO : . ... Team fee: 380.– Euro/team . ... Euro . ... Supplement fee for extra days (before 12:00 of October 7 th or after 12:00 of October 14 th ): . ... Two days before and two days after the Olympiad are possible in the Damyang Youth Camp (i.e. since 12:00 October 5 th till 12:00 October 7 th and since 12:00 October 14 th till 12:00 October 16 th ). ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the Asian-Pacific Astronomy Olympiad (APAO) . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... News Feed . Dull, Wet November, Much Warmer Than Average . 2015 December 7th . ... Cold, wet August, a little sunnier than average. coldest summer for 29 years . ... New space weather research grant awarded to Armagh Observatory . 2015 August 14th . ... Coldest July for 22 years, duller and wetter than average . ... Bright Fireball on 25th March 2015 . ... Sunny but Cool January, Wetter than Average . ...

... B efore the Galileo encounters with Ganymede it was thought that Ganymede and Callisto were composed of a rocky core surrounded by a large mantle of water or water ice with an ice surface (and that Titan and Triton were similar). ... G anymede's surface is a roughly equal mix of two types of terrain: very old , highly cratered dark regions (left), and somewhat younger (but still ancient) lighter regions marked with an extensive array of grooves and ridges (right). ... Callisto .. ...

Next: Summary Up: Image Restoration Using the Previous: Noise Amplification . ... The damped R-L iteration starts from the likelihood function . ... With this new likelihood function, we can follow the steps outlined above to derive the damped R-L iteration: . ... both the standard R-L method and the damped iteration to HST observations of Saturn; again, the noise in the restored image is greatly reduced without significantly blurring the sharp edges of the planet and its rings. ...