... An alternate model dominated by smaller grains, near the blowout size a~0.5 ЮМm, located at 30-40 AU is also possible but requires the dust to have been produced recently, since such small grains will be expelled from the system by radiation pressure in approximately a few times 102 yr. ...

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During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the 'asteroid' was found on March 30 to have a short tail! ... it was renamed periodic comet P/2004 CB (LINEAR). ... Back to Previous News . Siding Spring Survey Main Page . ... Follow-up Astrometry with the 1.0-m at SSO . Previous News Items . Anglo-Australian Near Earth Asteroid Survey 1990-96 . ...

... Southern . ... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Discovery and characterisation of Pre Main Sequence stars in southern star forming regions . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Using a robust method to identify Pre-Main Sequence (PMS) stars through their photometric excess in the Hн± band, we have recently studied the star formation history in several star burst clusters in the Galaxy, Small and Large Magellanic Clouds. ...

The AstroGuide . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Discovery Telescopes, Inc. has been manufacturing precision astronomical components since its inception in 1991. ... 949) 347-0142 . ... Web Site . http://www.discovery-telescopes.com/ . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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Next: Star Formation and Stellar Up: Stellar Astrophysics Previous: The Chemical Evolution of . Amir Ahmad and Simon Jeffery have been studying some rare stars known, loosely, as helium-rich subdwarfs. ... Further study showed that PG1544+488 is in fact a double star with both stars having extremely helium-rich surfaces -- the first case known. ... Next: Star Formation and Stellar Up: Stellar Astrophysics Previous: The Chemical Evolution of M.E. Bailey . ...

... HR 8799: Discovery of a Multi planet Star System . ... NRC Canada Explanation: How common are planetary systems like our own Solar System? In the twelve years previous to 2008, over 300 candidate planetary systems have been found orbiting nearby stars. ... Although the HR 8799 planetary system has significant differences with our Solar System, it is a clear demonstration that complex planetary systems exists, systems that could conceivable contain an Earth-like planet . ... Planets Ahoy . ...

... 2008 November 17 . HR 8799: Discovery of a Multi-planet Star System . ... Explanation: How common are planetary systems like our own Solar System? In the twelve years previous to 2008, over 300 candidate planetary systems have been found orbiting nearby stars. ... Although the HR 8799 planetary system has significant differences with our Solar System, it is a clear demonstration that complex planetary systems exist, systems that could conceivable contain an Earth-like planet . ... About APOD | ...

... Plasma Phenomena in the Solar System: Discoveries of Prof. K.I. Gringauz - a view from the XXI century . ... The conference is devoted to the 90-th anniversary of Professor Konstantin I. Gringauz - a pioneer of in-situ plasma measurements in space, who discovered solar wind, plasmapause, and cometopause. ... 1.Physical processes on the Sun and solar wind formation. ... 3.Solar plasma interaction with the Earth and planets; physical processes in magnetospheres. ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... Background and first results from the new AAO/UKST H survey . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... 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 Discovery cтАЩest fini ! ... Pour c†йl†йbrer ce dernier vol, la NASA a assembl†й plusieurs films r†йsumant les instants marquant des la derni†иre mission de la navette Discovery : . ...

... The effect is strongest in the most evolved, high-latitude supergiant V5112 Sgr=IRAS19500-1709, which has an extended structured envelope (Figs.1 and 2). In the optical spectrum of this object, the BaII ion lines are split into three components (Figs.3 and 4). ... Thus, we discovered for the first time the enrichment of the stellar envelope with heavy metals produced at the AGB stage. ... Detection of heavy-metal lines in the spectrum of the circumstellar envelope of a post-AGB star. ...

The Discovery of the Galilean Satellites . ... Probably the most significent contribution that Galileo Galilei made to science was the discovery of the four satellites around Jupiter that are now named in his honor. Galileo first observed the moons of Jupiter on January 7, 1610 through a homemade telescope. He originally thought he saw three stars near Jupiter, strung out in a line through the planet. ... Galileo's Observations of Jupiter's Moons . ... Jupiter . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Our Galaxy . ... Weird and Fun . ... It came from another galaxy: This artistтАЩs impression shows HIP 13044 b, an exoplanet orbiting a star that entered our galaxy from beyond. ... HIP 13044 is one of tens of millions of stars in the тАЬHelmi streamтАЭ, stars that belonged to a dwarf galaxy consumed by our own Milky Way galaxy, some six to nine billion years ago. ... Tweets that mention ESO finds weird doomed planet from another galaxy | ...

My name is Steve Foulkes, I have had the good luck to find SN 2000C in NGC2415. This is part of my discovery image which shows NGC2415 and the SN. ... Steve Foulkes . Image Data: . ... Object NGC 2415 recorded on 2000 Jan 8.789UT with a 0.26-m LX200 telescope on an image secured for the UK Nova/Supernova Patrol. ... The software is also used to analyse an image, and can to a limited degree, also indicate changes in the image. ... Back to Supernova 2000C in NGC 2415 . ...

... Many massive planets contrary to Jupiter have large eccentricities of orbits. ... Another problem is to study the conditions and boundaries of stable, regular motions of small mass planet in systems having `Jupiter' with large orbital eccentricity as well as properties of regular, stable, and irregular, chaotic motions. ... The regular eccentricity evolution described above demonstrates that stable quasi--circular orbits of small planet are unusual. ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Top Ten Discoveries of the Phoenix Misson to Mars? by Suzanne Young . ... Lecture Series 2010-2011 . ... 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 . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

. JOINT SESSIONS ON COSMOLOGY AND PARTICLE PHYSICS . ELECTRON CENTENARY . Acknowledgements . Instructions for electronic submission . PPEUC was hosted by the High Energy Physics and Radio Astronomy Groups in the Cavendish Laboratory . This Web Site was made possible by a generous donation from Q Associates. Last update 2 July1997

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...