Astronomy Picture of the Day . ... A comet nucleus, formed from the primordial stuff of the solar system, resembles a very dirty iceberg. ... After taking its spectacular pictures of the outer solar system planets, Voyager 1 looked back at six planets from the inner solar system. ... Pluto: The Frozen Planet . ... The Hubble Space Telescope imaged Pluto and its moon Charon in 1994. ... This picture was taken by the Voyager 2 spacecraft in 1986 - the only spacecraft ever to visit Neptune. ...

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... Spacecraft . ... To space by cannon? Finally, the deep space explorers --spacecraft which break away from the Earth's gravity . ... The "Luna" series of the USSR conducted 7 soft landing of unmanned probes, two of them with wheeled robotic "Lunokhods," and two of those missions returned samples to Earth. Others spacecraft have visited the major planets of the Solar system. ... The Mariner series have explored Venus and Mars--and Mariner 10 even reached Mercury, for three separate encounters! ...

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• Polar Orbiting Satellites
• The Io Dynamo
• Magnetospheres other than Ours

Finally, the deep space explorers --spacecraft which break away from the Earth's gravity . ... The "Luna" series of the USSR conducted 7 soft landing of unmanned probes, two of them with wheeled robotic "Lunokhods," and two of those missions returned samples to Earth. Others spacecraft have visited the major planets of the Solar system. ... The Mariner series have explored Venus and Mars--and Mariner 10 even reached Mercury, for three separate encounters! ... Sojourner" on Mars, its top . ...

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• Neptune
• History of Space Exploration
• Galileo to Jupiter

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... 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,
• Planets, orbits, and comets are somewhat round. Is there an underlying
• What would cause Earthт??s orbit to become more circular instead of its present

... 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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• See giant planet Jupiter tonight | Astronotes
• Exploring Icy Moons in Search of Life | Astronotes
• Moon | Astronotes

... December 7, 1995 . Galileo's Jupiter Probe . Credit: NASA , Galileo Project . Explanation: Today, at about 5:00 pm EST, this 750 pound probe from NASA's robot spacecraft Galileo will plummet into Jupiter becoming the first probe to fly through the atmosphere of a gas giant planet. ... Pictured here before launch, the probe descent module (top)is suspended above its deceleration module aeroshell (bottom) prior to being joined. ... Tomorrow's picture: Descent To Jupiter . ... About APOD | ...

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• APOD: 2007 May 12 - HD 189733b: Hot Jupiter
• APOD: 2000 December 26 - Jupiter, Io, and Shadow
• APOD: 2002 June 14 - 55 Cancri: Familiar Planet Discovered

3) Planets and Brown Dwarfs . ... By its nature, this method is most sensitive to massive planets orbiting close to their stars. ... That means that some of the more massive extrasolar planets could actually be brown dwarfs (although the statistics of the finds suggest that most of them are not). ... Another possible difference between brown dwarfs and massive planets is how they are born. ... They would base the fundamental definition on the mode of formation: a planet is built from planetesimals. ...

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• ASP: Up, Up, and Away
• ASP: Star Science in the Autumn Sky
• ASP: Searching for Earth's History Among Earth-like Worlds

... Taken from the NASA/JPL information summary "Our Solar System at a Glance". The National Aeronautics and Space Administration's (NASA's) automated spacecraft for solar system exploration come in many shapes and sizes. ... Electrical power is required to operate the spacecraft instruments and systems. ... Between 1959 and 1971, NASA spacecraft were dispatched to study the Moon and the solar environment; they also scanned the inner planets other than Earth -- Mercury , Venus and Mars . ...

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• Sun, Planet and Satellite Data
• Voyager
• Galileo to Jupiter

IRREGULAR SATELLITES . ... Planetary satellites in the solar system are divided into two types: Regular satellites orbit in circular, equatorial orbits close to the planet. ... Irregular satellites orbit the planet much further out. ... Examples of irregular satellite orbits . ... Unlike the regular satellites which formed with the planet, irregulars originally formed in heliocentric space (eg the asteroid belt) and were later captured in a closed orbit around the planet. ... Nature, 2004). ...

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• Armagh Observatory Jupiter Venus Conjunction
• New Jupiter Moon
• Asteroid in Jupiter Resonance

Giant Jupiter. Jupiter . ... Jupiter has no solid surface that is why speaking about its dimensious point the radius of the upper border line of the clouds, where the presseru is about 10 KPa; radius of Jupiter on the equator is 71400 km. ... The Jupiter satellites. ... Nowadays 16 satellites of the Jupiter are known: Adrastea, Mitis, Amaltea , Phina,then 4 Galilei satellites: Io , Europe , Hanimed , Callisto , Leda, Aimalia, Zicitea, Elara, Ananke, Carme, Pasipe and Sinope. ... Jupiter's ring. ...

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• smallplanetese
• saturne
• venerae

... 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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• All about Jupiter
• The Three Planet System
• Astronomy Plus CCD Images of Galaxies

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/ABarker1.pdf
• Astrophysics Group Research and Instrumentation

... 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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• Present Exploration of the Solar System

... Central to this vision has been the idea that the way to discover new worlds around distant stars is by someday traveling there in person. ... I am a graduate student in astrophysics at UC Berkeley, home of one of the most successful planet searches presently underway. ... We can see the planets in our own solar system by reflected sunlight, but only at night when the sun?s glare does not obscure them. ... Planets are thought to form from a disk of gas and dust swirling around an infant star. ...

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• http://www.stsci.edu/~pmcc/TESS/TESS_AAS_2014_factsheet.pdf
• ST ScI Preprint #1390
• Institute for Planets and Life

... It s well known that the planets, moons, asteroids and other objects in our Solar System orbit the Sun in a more-or-less perfectly flat, disc-like motion, like a spinning CD. ... By 25 July 2014, 1811 planets had been found orbiting distant stars, and the majority of these planets do orbit their stars in roughly disc-shaped orbits. ... The two planet-forming discs (one around each star) are tilted almost at a right-angle to each other. ... But there are some planets that orbit around two stars. ...

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• Exoplanet Caught on the Move | ESO
• Planet Found in Nearest Star System to Earth | ESO
• Mario van den Ancker

Общая Астрономическая Конференция > Форумы общей направленности > Непознанное, необъяснимое, загадочное > Planet 2003!! ... Просмотр полной версии : Planet 2003!! Denis . ... странник" приобретает скорость, равную почти 1000 км / с, у меня возник вопрос: . ... To Marc W. Buie (Lowell Observatory), 2000 CR105 was at first just another distant discovery among dozens found during his team's ongoing search for trans-Neptunian objects using 4-meter telescopes in Arizona and Chile. ...

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• Planet 2003!!! - Общая Астрономическая Конференция

... 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 - J thru M
• Astronomical Glossary - N thru R
• RAS Glossary A to C

... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... The Sun stays at the center and the planets orbit it serenely, each in its place. ... Tiny Pluto, orbiting the Sun an average of nearly 40 times the Earth's orbital radius, has an odd orbit. Most planets orbit the Sun in nearly perfect circles, but Pluto's orbit is noticeably elliptical. ... The orbits of Pluto and Neptune have a coincidental timing to them: Pluto orbits the Sun twice for every three times Neptune does. ...

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• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System
• Phil Plait's Bad Astronomy: Misconceptions: Planet X and Nancy Lieder
• Phil Plait's Bad Astronomy: Misconceptions

... 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. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/IPATOV1.PS
• AY2016 (contents)
• AY2012 (contents)

... - 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/20101117
• Index of /shared_skies/archive/select/planets/jupiter/20140313
• Index of /shared_skies/archive/select/planets/jupiter/20101007