... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• Detecting extrasolar planets | Astronomy.com
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• Planets, orbits, and comets are somewhat round. Is there an underlying

... CfA Home . HCO Home . SAO Home . ... Welcome to CfA . CfA History . ... Laboratory Astrophysics . Extreme Astrophysics . ... 617) 495-7210 . ... 617) 495-7044 . ... 617) 495-7265 . ... HEA Research . ... HEA Home Page . CFA/HEA Home Page . ... High Energy Astrophysics Division (HEAD) . Chandra X-ray Center . ... Chandra Cluster Cosmology Project . Chandra Multiwavelength Project (ChaMP) . ... Chandra-Planck Clusters Project . ... CfA Virtual Observatory Project . ...

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• CfA User Home Page

... Search . ... Astrophysics Group . Research . ... Research and Instrumentation . ... While this seems an extraordinary endeavour, in light of what we have learnt about Solar System planets, only a handful of key ingredients are required to start characterising an exoplanet. ... The NGTS project is a partnership between the University of Cambridge, Queen?s University Belfast, University of Warwick, University of Leicester, Observatoire de Geneve, DLR (Berlin) and Universidad Catolica de Chile. ...

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• Astrophysics Group Pulsars
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... Space Telescope Science Institute and Johns Hopkins University . ... Formation and early evolution of planetary systems, including star formation, the properties and astrophysics of protoplanetary disks, debris disks and planetesimal collisions. ... Search for planets around white dwarfs; formation and potential habitability of planets around white dwarfs. ... Planetary atmospheres, including that of Titan, as an analog for the atmosphere of early earth prebiotic conditions, and possible life. ...

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• ST ScI Preprint #1355
• Further Observations of the Planets Pulsar

... Planets . ... Earth Satellites . ... Looking in the direction of the constellation Cygnus the Swan and launched by NASA in 2009 is the Kepler Space Observatory.Many previous missions searching for exoplanets mainly detected large giant planets, like large hot Jupiters (it is easier to detect larger planets).However KeplerтАЩs main objective is to search for much smaller planets located in a habitable zone which is not too close nor too far from their star; planets which may be just like our Earth. ...

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• Exploring Icy Moons in Search of Life | Astronotes
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... May 29, 1998 . An Extrasolar Planet? Credit: S. Terebey Extrasolar Research Corp. NASA . ... The picture shows a very young double star located about 450 light-years away toward the constellation of Taurus . Cataloged as TMR-1 (Taurus Molecular Ring star 1), the binary system is still embedded in the dust cloud that formed it. ... A filament extends from the binary system toward the lower left and points toward the spot of light representing the candidate planet. ... About APOD > . ...

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• APOD: 2005 August 1 - 2003 UB 313: A Tenth Planet?
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• TNP Mirrors

... A homogeneous chemical analysis of the inner Galactic disk from the first data release of Gaia-ESO . ... Gaia-ESO is a public spectroscopic survey designed with this goal in mind. ... These first results highlight the potential of the Gaia-ESO survey to explore areas of the Milky Way still poorly studied, such as the inner disk, and to give new constraints on Galactic chemical evolution models. ... Map of observed targets of the first data release of the Gaia-ESO Survey. ...

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• INAF - Arcetri Astrophysical Observatory
• Dust evolution across the CO snowline in a protoplanetary disk
• Frequently Asked Questions

... Planet Ziggy seems to be located in the outer regions of an elliptical galaxy, or perhaps in a globular cluster orbiting such a galaxy. ... We have not been able to detect any spiral galaxies elsewhere in the sky. ... The Milk Stain No milky-way is seen. ... We are calling it the Milk Stain. This could be an elliptical galaxy or a globular cluster. ... Fuzzballs As you know, if you point a telescope anywhere in the sky on Earth, you see galaxies: both disk galaxies and elliptical galaxies. ...

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• http://www.mso.anu.edu.au/pfrancis/roleplay/ziggy/model_answer2.pdf
• Things are very different for small planets
• COALA - Computational Astrophysics Laboratory

... Future seminars . P a s t seminars . Seminar council . ... A.F. Zakharov (Institute of Theoretical and Experimental Physics) . ... Different regimes of gravitational lensing depend on masses of lens and correspond roughly an angular distance between images. If a gravitational lens has a typical stellar mass, this regime is named as microlensing because a typical angular distance between images is about microarcseconds in the case if sources and lenses are located at cosmological distances. ...

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... 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. ...

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... An Extrasolar Planet? ... NASA Explanation: This infrared Hubble Space Telescope view may contain the first ever direct image of a planet outside our own solar system. The picture shows a very young double star located about 450 light-years away toward the constellation of Taurus . Cataloged as TMR-1 (Taurus Molecular Ring star 1), the binary system is still embedded in the dust cloud that formed it. ... Publications with keywords: extrasolar planet - planet formation . ...

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• Астронет > An Extrasolar Planet?
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• Planets Ahoy

... Over the past 16 years, astronomers have found more than 700 planets outside of our Solar System. We call these distant worlds exo-planets . ... For example, they can observe how a star dims when a planet passes in front of it. ... In this new method, astronomers use stars like magnifying glasses! ... And astronomers can tell if the star that is acting like a magnifying glass has a planet in orbit around it, as the power of the magnification is even greater! ...

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... Themed Star Maps . ... Find various handouts to hand to guests to your visitors. ... Help the visitor at the scope understand why they see what they see. Learn about how the eye works, how to use the most powerful part of the eye to see more detail, and what to expect out of an experience observing through a telescope. A Universe Without Supernovae . Visitors discover that almost all elements that make up the Earth and all its living things were made inside stars that go supernova. ...

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• ASP: A Good Definition of the Word "Planet": Mission Impossible?
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The Astronomy Net . Articles | ... Forums . ... Planets | ... The list below is a live snapshot of where the planets and moon are located right now. ... The links in the left hand column take you to a mirror of the excellent NinePlanets web site where you can read about each planet and much much more. The latest news includes the fact that Pluto is no longer classified as a planet. ... Pluto is now classified as a 'dwarf planet' which includes Ceres and soon to be many others. ... 100 . ...

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• Gravity Of Planets Mass - an Astronomy Net Gravity Forum Message
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• Pluto Is Not A Planet, But A Moon Of Neptune. - an Astronomy Net God Science

Just beyond the main asteroid belt there exists a population of small objects orbiting the Sun at the same heliocentric distance of Jupiter. The combined action of Jovian and Solar gravity creates a stable dynamical haven for these objects near the so-called Lagrangian equilibrium points, in honour to the French mathematician Joseph Louis Lagrange who first demonstrated their existence and stability. ... Soon after its discovery it was realized that this asteroid is, in fact, a Mars Trojan. ...

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• Armagh Observatory
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... в конференц-зале ГАИШ в 14 00 . ... Секретарь семинара М.К. Абубекеров . ... Липунов В.М. (ГАИШ МГУ) . ... Бескин В.С. (ФИАН РАН) . сопредседатель . ... Митрофанов И.Г. (ИКИ РАН) . ... Постнов К.А. (ГАИШ МГУ) . ... Курт В.Г. (АКЦ ФИАН) . ... Прохоров М.Е. (ГАИШ МГУ) . ... Имеется огромная потребность в обмене идеями и информацией сильно разделившихся в последние годы астрономических центров - ГАИШ, ФИАН (теор отдел), ИТЭФ, АКЦ ФИАН, Институт Астрономии, ИКИ, ИПМ, Институт Физпроблем, ИЯИ .. ...

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• Aстероид 11438 Зельдович
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• Seminar Location

... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...

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• Natural Science Building Student Telescope

The basic problems of the Laboratory are connected with researches of dynamics of minor planets and comets. ... THE ORBIT IMPROVEMENT of minor planets from optical and radar observations, . the utilization of minor planet observations for THE DETERMINATION OF ORIENTATION OF STAR CATALOGUES and DETERMINATION OF MASSES OF MINOR PLANETS BY DYNAMICAL METHOD, . THE ESTIMATION OF COLLISION PROBABILITY of minor planets with other bodies and with each other, . ...

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• Keywords_9
• (Untitled)
• Keywords_146

... 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 . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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