Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Exoplanets . ... Space Flight . ... Science Fiction . ... August . ... By admin August 18, 2011 Posted in: August . Artist's impressions of Kepler and the light curve of transiting planet (Image credit: NASA) . ... In 1995 we knew of only nine planets (including Pluto, how times change), but in that year the first of the extra-solar planets or exoplanets was confirmed. ... Another is one of the most Earth-like worlds yet discovered . ...

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• Kepler 36b and c: Too Close for Comfort | Astronotes
• Stargazing in June | Astronotes
• Kepler-11: a strange and crowded planetary system | Astronotes

... 10.06.2015 . ... Credit Copyright: NASA , JPL-Caltech , UCLA , MPS/DLR/IDA, DLR , ESO Explanation: What would it look like to fly over dwarf planet Ceres? ... June 2015 . ... Publications with keywords: Ceres . Publications with words: Ceres . ... Dwarf Planet Ceres . The Brightest Spot on Ceres . Bright Spots Resolved in Occator Crater on Ceres . An Unusual Mountain on Asteroid Ceres . Dwarf Planet, Bright Spot . Dark Craters and Bright Spots Revealed on Asteroid Ceres . ...

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• XWare > APOD

... Planets and Brown Dwarfs . ... Mission Definition . Ask anyone on the street to give an example of a planet, and they'll consider you a bit dim. ... Finally, if you ask "What is the exact scientific definition of 'planet'?", it turns out that nobody can answer it, because there really isn't one. ... The word itself means "wanderer" in Greek, and other cultures generally have words for "planet" with a similar meaning. So why isn't that good enough for us today? ...

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• ASP: Sharing the Universe
• ASP: Kepler Mission: A First Step Toward Finding Other Earths
• ASP: Astronomy Behind the Headlines

... Kepler is a mission designed to detect and characterize Earth-sized planets around solar-like stars. The sizes of the planets are determined from the decrease in light from a star that occurs during planetary transits, and the orbital period is determined from the repeatability of the transits. ... These goals are accomplished by continuously and simultaneously monitoring a single field of 140,000 stars for evidence of brightness changes caused by transits of Earth-sized or larger planets. ...

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• http://www.stsci.edu/stsci/meetings/planets/abs/prog20.html
• http://www.stsci.edu/stsci/meetings/planets/abs/prog21.html
• Research Interests

Astropark Home . Solar System . ... Planets . ... A year is the time that it takes for a planet to go around the Sun. ... As a result, an Earth year is very different in length from a year on Saturn or any other planet. ... But on this scale, most of the planets are too small to see, so their size has been increased by 200 times. ... The Astropark's red gravel represents the asteroid belt ? thousands of smaller bodies which range in size from pebbles up to small planets hundreds of miles across. ...

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• Armagh Observatory
• Armagh Astropark
• The International Space Station becomes the second brightest object in the

... Astronomers have used a new technique to see the faint light from a planet that is orbiting a distant star. ... Instead, astronomers found them by looking for telltale clues, such as how the light from a star dims when an exo-planet passes in front of it, or how it wobbles because of the pull of an exo-planet s gravity. Astronomers can learn a lot about exo-planets that move in front of their stars. This is because the starlight passes through the exo-planet s atmosphere on its way to Earth. ...

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• http://www.eso.org/public/news/eso1216/kids/
• http://www.eso.org/public/news/eso1423/kids/
• http://www.eso.org/public/news/eso1204/kids/

... Bad Astronomy . ... Bad Astro Store . Mad Science . ... The Nine Planets . ... What does light from a MO V star look like from a planet's surface? ... The luminosity (brightness) of the star will only be about 0.06 of the Sun's (although that means the star will still be much brighter than the Full Moon at the distance from the Sun). ... Since the star is half the temperature of the Sun, the planet will have to be much closer to get the same warmth the Earth gets from the Sun. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System

... 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/51peggm.html
• Low Surface Brightness Galaxy Gallery

... 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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• Satellites with commercial missions
• Satellites which look down and observe Earth
• Spacecraft

... 2015 June 10 . Fly Over Dwarf Planet Ceres . Video Credit: NASA , JPL-Caltech , UCLA , MPS/DLR/IDA, DLR , ESO . Explanation: What would it look like to fly over dwarf planet Ceres? Animators from the German Aerospace Center recently took actual images and height data from NASA's robotic Dawn mission -- currently visiting Ceres -- to generate several fascinating virtual sequences . ... News: Bright Spots Shine in Newest Dawn Ceres Images . ... About APOD | ...

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• APOD: 2015 December 5 - Kepler Orrery IV
• APOD: 2002 June 14 - 55 Cancri: Familiar Planet Discovered
• APOD: May 14, 1999 - Landsat 7 Views Planet Earth

... 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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... 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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Einstein's planet," formally known as Kepler-76b, is a "hot Jupiter" that orbits its star every 1.5 days. ... This artist's conception shows Kepler-76b orbiting its host star, which has been tidally distorted into a slight football shape (exaggerated here for effect). The planet was detected using the BEER algorithm, which looked for brightness changes in the star as the planet orbits due to relativistic BEaming, Ellipsoidal variations, and Reflected light from the planet. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BA39ED15B-1FC8-46CD-B8A8-092850DE2022%7D
• NASA's newest Mars mission spacecraft enters orbit around the Red Planet |
• Cassini spies bright Venus from Saturn orbit | Astronomy.com

Venus under the clouds. ... Venus is the second from the Sun and the nearest to the Earth planet of solar system. ... As for Venus, it has the densest atmosphere, the smallest rotation around the axis and the least eccentricity of the orbit Venus is the only planet whose own rotation is opposite it?s rotation around the Sun. ... The radiolocation survey of Venus by the soviet station "Venera - 15" and "Venera - 16" brought out in 1984 in the planets satellite`s orbit shoued the tarces of long walls. ...

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• plutone
• merkurie
• Keplere

Finding Himalia, The Fifth Brightest Moon Of Jupiter . Articles | ... Himalia is the only moon other than the Galilean moons of Jupiter that is visible in an amateur size telescope. ... I normally use ?The Sky? from Software Bisque for planning my observing sessions and in helping me find objects, but it only has the Galilean moons for Jupiter so I used Red Shift (version 3 at the time) which I also had on my computer. ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Moon, Planets And Aurora, Oh My! - an Astronomy Net Article
• Pluto Is Not A Planet, But A Moon Of Neptune. - an Astronomy Net God Science
• Summer Triangle - an Astronomy Net Article

The Universe of Planet Ziggy Assignments 4, 5 and 6 for ASTR1002. ... The USS Drongo Ї You are the crew of the Starship USS Drongo. ... On arriving in this universe, you were forced to crash land on the first planet you found. You call this planet "Ziggy" Planet Ziggy The USS Drongo Crash Landed Here. ... It has been dark at the crash site for all those 120 hours - you haven't seen Ziggy's sun (you know it has one - a fairly normal G-type star, because you saw it on the way down). ...

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• http://www.mso.anu.edu.au/pfrancis/Mysteryplanet/ass1.pdf
• Deimos orbiting Mars
• C/2006 P1 (McNaught)

... 8, ``Celestial Mechanics'', 2002 Regularity and chaos for planetary orbits in binaries D. Benest Observatoire de Nice, Nice, France 1. ... Previous papers showed that stable planetary orbits, around either the lightest or the heaviest component of several nearby binary systems, exist up to distances from their primary of the order of more than half the binary's periastron sepґ aration. ... Chaos: bounded or sticky? It is now wellґknown that planetary dynamics may include some proportion of chaos. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/SOKOL_L.PS
• list1
• ENGAMPLE

Planet Earth only came outside to watch the nightfall with the rain I heard you making patterns rhyme like some new romantic looking for the tv sound you'll see I'm right some other time look now, look all around , there's not sign of life voices, another sound , can you hear me now? this is planet earth , you're looking at planet earth bop bop bop bop bop ...

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• http://crydee.sai.msu.ru/ftproot/pub/rec/music/lyrics/cs-uwp/m/misc.dementia/stardrek
• http://crydee.sai.msu.ru/ftproot/pub/rec/music/lyrics/cs-uwp/s/spock/silicon_dream
• http://crydee.sai.msu.ru/ftproot/pub/rec/music/lyrics/cs-uwp/n/nirvana/hormoaning

Magellan to Venus . ... The spacecraft carried a sophisticated imaging radar, which was used to make the most highly detailed map of Venus ever captured during its four years in orbit around Venus from 1990 to 1994. After concluding its radar mapping, Magellan also made global maps of Venus's gravity field. ... The Magellan mission was divided up into "cycles" with each cycle lasting 243 days (the time necessary for Venus to rotate once under the Magellan orbit). ... Magellan Orbiting Venus . ...

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• APOD: March 25, 1999 - March of the Planets
• The Discovery of the Galilean Satellites
• New Moons of Uranus

... Earth is the tiny spot between Jupiter and the Sun). ... Distance Radius Mass Name Orbits (000 km) (km) (kg) --------- ------- -------- ------- ------- Sun 697000 1.99e30 Jupiter Sun 778000 71492 1.90e27 Saturn Sun 1429000 60268 5.69e26 Uranus Sun 2870990 25559 8.69e25 * Neptune Sun 4504300 24764 1.02e26 * Earth Sun 149600 6378 5.98e24 Venus Sun 108200 6052 4.87e24 Mars Sun 227940 3398 6.42e23 Ganymede Jupiter 1070 2631 1.48e23 + Titan ... Extrema .. ...

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• Neptune
• Seeing the Solar System
• The Path of the Sun, the Ecliptic