Astronomy Picture of the Day . ... Credit Copyright: Mike Salway Explanation: When the Moon rose in predawn skies on February 23rd, it sported a sunlit crescent. ... Of course, on that morning a remarkable conjunction with three wandering planets added an impressive touch to the celestial scene . ... Along with the waning crescent Moon , the picture captures (top to bottom) bright Mercury , Jupiter , and Mars . ... Publications with keywords: conjunction - Moon - planets . ... Moon Meets Jupiter . ...

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• Planets Around Sun-Like Stars
• Nashville Four Planet Skyline
• Shadows Across Jupiter

... 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 15 . Shadows Across Jupiter . ... Explanation: Two dark shadows loom across the banded and mottled cloud tops of Jupiter in this sharp telescopic view. ... With the two moon shadows still in transit, Jupiter's rapid rotation has almost carried its famous Great Red Spot (GRS) around the planet's limb from the right. ... About APOD | ...

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• APOD: 2001 February 9 - Nashville Four Planet Skyline
• APOD: 2008 February 2 - Venus and Jupiter in Morning Skies
• APOD: 2012 February 29 - Moon and Planets Over Catalonia

... Armagh Planetarium . ... Universe . ... Posted on April 2, 2014 | ... Continue Reading.. ... No Comments Astronomy is a science that knows no borders. ... 1 Comment Comets are frozen lumps of ice (often called volatiles) and rock that come from distant parts of our Solar System. ... 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. ...

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• Jupiter | Astronotes - Part 5
• Astronotes | Armagh Planetarium's astronomy news from across the Universe
• Wonders of the February Night Sky | Astronotes

... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... MRO Support Facility . Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Current telescope status . ... Australia Telescope Online Archive (ATOA) . ... Scientific support of facilities . ... Astrophysics overview . ... Meetings . ...

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• Australia Telescope National Facility
• Radio image of Jupiter
• Radio Observations of Jupiter

... Running Rings Around a Planet . ... Saturn's delicate rings have caught human eyes for over three centuries. ... Now we know, thanks to the Voyager space probes, that Saturn's rings consist of thousands of "ringlets," each made of chunks of ice ranging in size from dust to boulders [see "Rally Around the Ring," March/April 1995, p. 10]. ... The appearance of Saturn's rings to us ground-hugging Terrans is changing constantly. ... Saturn's diameter is 120,000 kilometers, so how large are the rings? ...

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• ASP: Contents, January/February 1999
• ASP: Seeing Our Place in the Solar System
• ASP: Planet-Building on the Grandest Scales

... 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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• http://zebu.uoregon.edu/1998/ph101/l16.html

... Deutsch . ... When a woman is pregnant, she's has to go for an ultrasound, where doctors look into her womb to check on the baby growing inside. Astronomers recently performed similar observations on a nearby star by accident! While looking into the gassy disk surrounding the star, they were surprised to see a baby planet growing inside! For the first time a planet has been seen at such an early stage of its life. ... This giant planet is over 10,000 times larger than Earth! ...

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• http://www.eso.org/public/news/eso1245/kids/
• http://www.eso.org/public/news/eso1106/kids/
• http://www.eso.org/public/news/eso1604/kids/

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Armagh Observatory, 11 June 2015: Armagh Observatory reports that the next two weeks will provide an interesting opportunity to observe the brightest planet, Venus, and the largest planet, Jupiter, as they move towards one another in the evening twilight. ... The image shows the sky view towards the West at around 11pm on 20 June 2015. ... Professor Mark E. Bailey, Armagh Observatory, College Hill, Armagh BT61 9DG. ...

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• Armagh Astropark: The Planets
• Armagh Observatory Jupiter Venus Conjunction
• New Jupiter Moon

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... Observing . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Would it be possible to find a moon around an extrasolar planet? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• The ringed planet dazzles | Astronomy.com
• Everything around us is spinning: particles, planets, stars, galaxies. Why not

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 February 13 . Southwest Mercury . Credit: Mariner 10 , NASA . Explanation: The planet Mercury resembles a moon. ... In fact, the Earth is the only planet more dense. ... From Earth , Mercury's proximity to the Sun cause it to be visible only for a short time just after sunset or just before sunrise. ... About APOD | ...

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• Hubble Finds Oxygen Atmosphere On Jupiter's Moon Europa
• Dust evolution across the CO snowline in a protoplanetary disk
• The Discovery of the Galilean Satellites

My research efforts have focused on three areas which are: . More than 200 extrasolar planets have been discovered around relatively nearby stars, primarily through the Doppler line shifts owing to the reflex motions of their host stars, and more recently through transits of some planets across the face of the host stars. ... Gravitational microlensing provides a novel technique to look for planets around lens stars, and this is the only technique currently capable of detecting Earth-mass planets. ...

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• Marshall Perrin's Publications
• Dr Andrea Banzatti | STScI
• HST this week: 050

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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• Phil Plait's Bad Astronomy: Bad News
• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System

... Astronomy Pictures . ... Jupiter . Jupiter from ANU's 24-inch telescope . ... Title: Jupiter from ANU's 24-inch telescope . Description: Several images of Jupiter from ANU's 24-inch telescope, Siding Spring Observatory. Lower half of picture: Close-up of Jupiter and the moon Ganymede, just before Ganymede "transits" (passes across) the face of Jupiter Upper half of picture: The image in the middle of the bottom row shows the shadow of Ganymede on the face of Jupiter about 30 minutes later. ...

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• Raquel Salmeron's Publications
• Planet Pictures
• Jupiter

Aristarchus of Samos, around 200 BC, proposed that the Earth revolved around the Sun, but found few supporters. ... For a discussion of the discovery of the solar system which includes a "moving picture" illustrating retrograde motion, click here . ... The Sun and Moon, he claimed, obviously moved around Earth. ... The full story of the discovery of the solar system--of Copernicus, Galileo, Tycho and Kepler--is long and would take this discussion too far afield. ... Nicolaus Copernicus . ...

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• Galileo to Jupiter
• Chronology of early astronomy,mechanics and spaceflight
• Galileo Mission Status - December 10, 1995

... Main page News People . ... Master . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . ... 27.02.2012 . ... MASTER-II Observatory, Kislovodsk (C41): 744 observations of 228 objects from January 22 2012 to February 4 2012 . MASTER-II Observatory, Tunka (C94): 505 observations of 198 objects from January 25 2012 to February 3 2012 . MASTER-II Observatory, Blagoveshchensk (D54): 207 observations of 98 objects from January 22 2012 to February 4 2012 . ...

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In ancient times the solar system was thought to be the whole Universe, so the study of planetary motions was cosmology. ... The planets other than the Moon and Sun generally move West to East through the stars, but occasionally stop and move in the opposite direction ( retrograde motion). In order to explain the retrograde motion of the planets, the geocentric model of the Solar System shown above puts the planets on small circles called epicycles . ...

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• Publications
• "Structure" publications in 2001 year

... - 20070419/ 2011-04-17 18:27 - 20080714/ 2011-04-17 18:26 - 20090731/ 2011-04-19 01:14 - 20100810/ 2011-04-19 01:21 - 20100816/ 2010-10-18 20:54 - 20100904/ 2010-10-18 20:54 - 20101005/ 2010-10-18 21:28 - 20101006/ 2010-10-18 21:27 - 20101007/ 2010-10-18 21:25 - 20101008/ 2010-10-18 20:54 - 20101009/ 2010-10-18 21:17 - 20101010/ 2010-10-18 21:14 - 20101015/ 2010-10-18 21:12 - 20101016/ 2010-10-18 21:46 - 20101017/ ...

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• Index of /shared_skies/archive/select/planets/jupiter/20140313
• Index of /shared_skies/archive/select/planets/jupiter/20101117
• Index of /shared_skies/archive/select/planets/jupiter/satellites

... Go directly to the moons of: . Mercury Venus Mars Jupiter Saturn Uranus Neptune Pluto . Go directly to the surface features of Earth's Moon and Mars . Planet & Moons . Pronunciation . ... Mercury . ... Mars: . 2 moons . ... Jupiter: . ... Neptune: . ... 1 moon . ...

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• Astronomical Glossary - S - Z
• Astronomical Glossary - J thru M

... The study of extra solar planets will be one of the most important areas of research in astronomy in this century. ... The first planets outside the solar system were found in 1992 around the millisecond pulsar PSR B1257+12 by Alex Wolszczan at the Arecibo Observatory . ... Three space missions based on this principle (MOST, COROT and Kepler ) have already been launched or approved, and have the last one at least has the potential to find Earth-sized planets. ... SIM ( NASA ) is one of such missions...

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• The Pleiades
• Ed Rivera-Valentin
• Catalogs and Publications

On the inclination of planetary orbits! Caroline Terquem! ... Planets on inclined orbits Higher inclinations for planets around stars with Teff>6250K? Planet formation, Hot Jupiters and misalignments 1. If planets form by the core accretion scenario and migrate in: Hot Jupiters But no eccentricity and no misalignment (if the disc is in the star's equatorial plane) With further planet/planet scattering and/or Kozai cycles: Eccentricity and misalignment But companions required.. ...

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• http://www.mrao.cam.ac.uk/wp-content/uploads/2014/04/AMustill.pdf
• Samantha Thompson - Research
• Web Links