... Credit Copyright: NASA / Ames / JPL-Caltech Explanation: How common are Earth-sized planets? Quite common, according to extrapolations from new data taken by NASA's orbiting Kepler spacecraft . Current computer models are indicating that at least one in ten stars are orbited by an Earth-sized planet, making our Milky Way Galaxy the home to over ten billion Earths. ... Publications with keywords: extrasolar planet . ... Earth size Kepler 186f . Kepler 78b: Earth Sized Planet Discovered . ...

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• APOD: 2011 December 7 Kepler 22b: An Almost Earth Orbiting an Almost Sun
• AB Aurigae: How To Make Planets

... 2011 December 7 . Kepler 22b: An Almost Earth Orbiting an Almost Sun . Illustration Credit: NASA / Ames / JPL-Caltech . ... The planet's host star, Kepler 22 , is actually slightly smaller and cooler than the Sun , and lies 600 light-years from Earth toward the constellation of the Swan ( Cygnus ). The planet, Kepler 22b , is over twice the radius of the Earth and orbits slightly closer in, but lies in the habitable zone where liquid water could exist on the surface. ... About APOD | ...

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• APOD: 2015 December 5 - Kepler Orrery IV
• APOD: December 28, 1997 - Pluto: The Frozen Planet
• APOD: June 11, 1999 - AB Aurigae: How To Make Planets

... How to Spot a Pale Blue Dot in the Night Sky - Signatures of Life on Extrasolar Planets . ... Frame 2: Steamy atmosphere, an ocean is covering the entire planet, no oxygen is present, timeline about four billion years ago. ... Using such telescopes as Kepler, James Webb Space Telescope (JWST), Darwin and Terrestrial Planet Finder (TPF), and masking the star light, the light from small Earth-like planets can be collected and analyzed. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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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: Contents, November/December 1998
• ASP: The Universe At Your Fingertips Activities TOC
• ASP: Making Model Comets: Has it really been 20 Years?

... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... It isn't the first extrasolar planetary system to be discovered; the first planet outside our own solar system orbiting a normal Sunlike star was discovered in 1995. ... Still, this is the first solar system ever found besides our own to definitely have more than one planet. This is an important discovery: most people all along have been assuming that multiple planet systems exist, but we had never actually seen one. ...

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• Phil Plait's Bad Astronomy: Misconceptions
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• Phil Plait's Bad Astronomy: Bad News

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Crew of Space Shuttle mission STS-107. From left to right are mission specialist David Brown, commander Rick Husband, mission specialist Laurel Clark, mission specialist Kalpana Chawla, mission specialist Michael Anderson, pilot William McCool, and Israeli payload specialist Ilan Ramon. ... On the afternoon Columbia was destroyed, I was at a council-owned €аgym in the city where I lived (which was not Armagh). ... Astronotes . ...

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• Kepler-10c: the First Mega-Earth | Astronotes
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• The December 2015 Night sky | Astronotes

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Asteroid 2010 SO16 and the Earth follow similar orbits around . the Sun. ... out a horseshoe shape in space, taking 175 years to go from . ... Asteroid 2010 SO16 takes 175 years to make the trip from one end of the horseshoe to the other. ... Currently, three other horseshoe companions of the Earth are known to exist but, unlike 2010 SO16, these linger for a few thousand years at most before moving on to different orbits. ...

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• John Chambers Home Page
• More photos of the 1 December events | International Year of Astronomy in
• Asteroid 2004 MN4

... Galileo Probe . The Galileo spacecraft was designed to study Jupiter's atmosphere, satellites, and surrounding magnetosphere for two years. ... From there, Galileo will spend more than five years traveling to Jupiter, where it will become the first spacecraft to make direct measurements from an instrumented probe within Jupiter's atmosphere. ... This image, taken by the Hubble Space Telescope, shows the predicted site at which the Galileo Probe will enter Jupiter's atmosphere on December 7, 1995. ...

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• Why do people want to explore Mars
• Dynamics of Pluto
• Dr. Victoria I. Prokhorenko

... Since planets are expected to form out of the material in disks around young stars, the formation of a planet will thoroughly alter the structure of the circumstellar disk of their host star, forming significant gaps in the radial distribution of matter around the star. Additionally, processing of solids (annealing/crystallization) and changes in the overall gas/dust ratio are thought to happen during the planet formation process and are believed to alter the observational signature of the disk. ...

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• Artist's impression of the asteroid Lutetia making a close approach to a planet
• halos
• Exoplanet Caught on the Move | ESO

... Galileo Probe . The Galileo spacecraft was designed to study Jupiter's atmosphere, satellites, and surrounding magnetosphere for two years. ... From there, Galileo will spend more than five years traveling to Jupiter, where it will become the first spacecraft to make direct measurements from an instrumented probe within Jupiter's atmosphere. ... This image, taken by the Hubble Space Telescope, shows the predicted site at which the Galileo Probe will enter Jupiter's atmosphere on December 7, 1995. ...

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• Arcetri Star-Formation Group Publications
• New Discoveries From Galileo
• Galileo Mission Status - December 10, 1995

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Making double planets . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine ...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Comet to make close flyby of Red Planet in October 2014 | Astronomy.com
• Making planets at Beta Pictoris | Astronomy.com

HUBBLE SPACE TELESCOPE DAILY REPORT #931 PERIOD COVERED: 0800 EST Daily Status Report as of 198/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed FGS 5056 (High Speed Astrometry - A Search for Planetary Companions to Low Mass) The Fine Guidance Sensors were used to make astrometric observations of Bernard's star to look for the presence of a Jupiter sized planet in orbit around the target star from the position perturbations caused by the planet. ... Both observations were received. ...

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• http://www.stsci.edu/~mutchler/documents/Geotimes_Pluto.pdf
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_93/hst_status_05_19_93
• Max Mutchler at Space Telescope Science Institute

You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

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• Amateur Telescope Makers Of Boston - Atmob, AstroGuide Listing
• Amateur Telescope Making Forum on the Astronomy Net, AstroGuide Listing
• SUE PA Novosibirsk Instrument Making Plant, AstroGuide Listing

Four spacecraft: INTERBALL Tail probe (IB_TAIL), MAGION 5 (IB_MAG5), POLAR(NASA/ISAS), GEOTAIL (NASA) are considered. ... Orbital ASCII files | ... four spacecraft . ... INTERBALL . ... ASCII files . ... NASA) . ... NASA, ISAS) . ... The four spacecraft . ... INTERBALL mission | ...

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• Campaign 2, December 1998 (continue)
• Campaign 2, December 1997 (continue)
• MARS TOGETHER

... July 22, 2009 - The X-ray Solar Eclipse . The Russian TESIS (FIAN) Solar Observatory has transmitted observations back to Earth of the solar eclipse made on July 22nd, 2009. ... And 4 hours later, when almost all the inhabitants of the Earth had already said goodbye to the eclipse, TESIS telescopes captured images of the second deepest transit of the Moon across the Sun ( film 1.2 MB, wmv format ). ... July 20, 2009 - The TESIS Observatory will observe two solar eclipses from space . ...

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• The X-ray Solar Eclipse

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . Australia Telescope Compact Array . ... CSIRO, Australia's national science agency, operates a number of world-class radio astronomy observatories that are collectively known as the Australia Telescope National Facility or ATNF. ... CSIRO also manages the Murchison Radio-astronomy Observatory, where the Square Kilometre Array telescope infrastructure in Australia is to be centred. ...

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• Observing the sky
• ASKAP's newest receivers make first multibeam image | Australia Telescope
• December 2013 ATUC meeting agenda and supporting documents

... Pre-university education . ... Samara region . ... University at a glance . ... A group of young scientists of Samara University under the guidance of the candidate of chemical sciences Yevgeniy Aleksandrov began to make the most extensive database in the world for the structure and physical properties of crystalline coordination polymers. ... The idea of making a database for coordination polymers already exists in the scientific community of the world. ... SAMARA STATE AEROSPACE UNIVERSITY . ...

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• SSAU scientists will 'teach' nanosatellites to manoeuvre in orbit

Johann Kepler - a Legislator of the Sky. The laws of the planets movements put by Johann Kepler destroyed the thousand year old dogmas about the circles and spheres and opened the way to scientific understanding of celestial occurrences. ... The best object for observation was Mars - its orbit unlike the Earth's one has a noticeable eccentricity, the rotation period in comparison with Jupiter and Saturn is not too long and observation conditions are better than for Mercury and Venus. ...

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• jupitere
• Kopernike
• Galiliye

... Bojan Nikolic web pages home . ... The goal here is to make a publication quality image of the sky with the coordinates labelled in the standard Right Accession/Declination units. ... Use the PGTBOX function which knows how to label the coordinate box in time units . ... тАЬINTтАЭ To draw tick marks and label them (тАЬIтАЭ so that the ticks are inverted, i.e., going outside the box) . ... Ensure that the matrix representing the coordinate system of the image is correct when calling PGIMAG . ...

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• How de-focusing makes wavefront errors more apparent
• How de-focusing makes wavefront errors more apparent Bojan Nikolic web pages
• Astrophysics Group Research and Instrumentation

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... News . ... S.P. Korolev RSC Energia is the prime manned space flight organization in the Russian rocket and space industry, responsible for the development of the ISS Russian Segment, its integration into the Space Station and its operation, including development and operation of its principal modules (Zvezda, Pirs, Poisk, Rassvet, etc.), manufacturing, launch and operation of Soyuz TMA and Progress M spacecraft. ...

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