... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 13, 1999 . Pluto: The Frozen Planet . Credit: R. Albrecht ( ESA /ESO), NASA . ... Pluto is usually the most distant planet from the Sun but because of its eccentric orbit Pluto crossed inside of Neptune's orbit in 1979. On Thursday, February 11th, it crossed back out, recovering its status as the most distant of nine planets . ...

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• APOD: 2011 February 3 - Six Worlds for Kepler-11
• APOD: February 12, 1996 - Pluto Not Yet Explored
• APOD: 2005 April 5 - Light from a Distant Planet

... 13.02.1999 . ... Credit: R. Albrecht ( ESA /ESO), NASA Explanation: This portrait of Pluto and its companion Charon was taken by the Hubble Space Telescope in 1994. Pluto is usually the most distant planet from the Sun but because of its eccentric orbit Pluto crossed inside of Neptune's orbit in 1979. ... February 1999 . ... Publications with keywords: planet - Pluto - orbit - Charon . Publications with words: planet - Pluto - orbit - Charon . ... In the Shade of a Historic Planet . ...

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• Астронет > Pluto: The Frozen Planet
• Journal "Peremennye Zvezdy"
• Six Worlds for Kepler 11

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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• Pluto and Charon
• The Wind Spacecraft
• Spacecraft

... 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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• The Wind Spacecraft
• Satellites with commercial missions

... These other worlds are the moons of our Solar System , of which there are approximately 170 in orbit around our planets.Some of these moons are very interesting, and have diverse and unique features, very different to our barren, heavily cratered Moon .Jupiter, the largest planet in our solar system has the most moons of any planet with known 64 moons in orbit.The four ... Ganymede, the largest moon in the Solar System thought to have oceans located underneath its icy surface.( ...

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• Wonders of the February Night Sky | Astronotes
• Planets | Astronotes - Part 2
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

National Aeronautics and Space Administration Lyndon B. Johnson Space Center SPACE CENTER ROUNDUP Volume 45 Ї Number 2 FEBRUARY 2006 New Horizons The first mission to distant planet Pluto is under way after the successful launch of NASA's New Horizons spacecraft from Cape Canaveral Air Force Station, Fla. ... The Roundup office is in Bldg. ... Jefferson D. Howell Fitness Facility in the Gilruth Center is just one aspect of the new JSC Exploration Wellness Program. ... WELL.. ... Roundup 03 ...

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• Astronaut Bio: Bruce McCandless II
• JSC Celebrates 40 Years
• Astronaut Bio: John E. Blaha (05/2008)

... There has been a heated public discussion in the past few years about whether our ninth planet is really deserving of the name. Since Pluto orbits a star, and is much less luminous, it certainly satisfies the definition we have above. The problem is actually not with Pluto, but with a very large number of other bodies in our Solar System which also satisfy this definition, but which are not called planets. Perhaps the most notable of these is Ceres, the largest asteroid. ... Planet . ...

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• ASP: Exploring Venus
• ASP: Responsible Exploration
• ASP: Astronomy Behind the Headlines

Transiting Exoplanet Survey Satellite Principal Investigator: Dr. George R. Ricker, MIT NASA EXPLORER MISSION, SCHEDULED TO LAUNCH IN 2017: An All-Sky Survey for Exoplanets Transiting Nearby Stars TESS SCIENCE OBJECTIVES DISCOVER TRANSITING EXOPLANETS ORBITING NEARBY, BRIGHT STARS The NASA Kepler Mission showed that planets are abundant throughout the Galaxy, but most of the Kepler planets orbit stars too distant and dim for further study. ...

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• HST this week: 047
• HST this week: 050
• Agenda

Mariner 10 . ... Mariner 10 was the seventh successful launch in the Mariner spacecraft series, and the first to use the gravitational pull of one planet ( Venus ) to reach another ( Mercury ). ... It measured 1.39 meters (4.56 feet) diagonally and 0.457 meters (1.5 feet) in depth. ... Views of Mariner 10 . ... Venus/Mercury Mission . ... Launched in November 1973, this mission provided new information about Mercury and Venus in the Mariner program's first dual-planet mission. ...

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• APOD: 2000 February 13 - Southwest Mercury
• Pluto and Charon
• Mariners 6 & 7 to Mars

In this presentation I will recap what we know about the dwarf planet Pluto its companion moons, including some recent results from the Division of Planetary Sciences October 2014 meeting (Tucson, AZ). Next I will describe NASA s New Horizons mission, launched in January 2006, who has been traveling across the solar system and will reach the Pluto system in July 2015. ... I will end the presentation with the latest news from the New Horizons mission and its plans after the July 2015 Plutoflyby. ...

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• http://www.mso.anu.edu.au/pfrancis/roleplay/ziggy/Briefing1.pdf
• ASTR1002 Assignments 4-6: Planet Ziggy

... Given the observing time and frequency, task plplt plots the expected visibility function for a planet. You will most likely want to check this visibility function before observing and discovering that the planet is resolved out! NOTE that mfboot and plplt do not include the effect of the ATCA's primary beam - the planet is implicitly (and silently) assumed to be small compared with the primary beam. ... Information on using the ATCA to observe a planet is available on-line . ...

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• Mars tracking
• mfboot
• Bright prospects: Comparing the H Survey with large-scale radio continuum

... Bringing news from across the Universe to children all around the world . ... Astronomers want to learn more about how planets like the Earth are formed. Since all of the planets in our Solar System are already fully grown, they have to use powerful telescopes to look for baby planets around distant stars. Planets form in the discs of dust and dirt that surround young stars. But since this happens quickly, and because baby planets are tricky to spot, astronomers had not seen any before. ...

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• http://www.eso.org/public/news/eso1604/kids/
• Comet Halley
• Extremely Distant Minor Planet 1992 QB1

... 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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• New Horizons spacecraft crosses Neptune orbit en route to historic Pluto
• February 2013 | Astronomy.com
• Data from MESSENGER spacecraft reveals new insights on planet Mercury |

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• Astronomy Plus CCD Images of Galaxies
• The Three Planet System
• U of O High Energy Physics Seminars

... 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: Misconceptions
• Phil Plait's Bad Astronomy: Bad TV

As in the last years, the Ephemerides of Minor Planets for 2015 are prepared by the IAA RAS only in the electronic form. ... Orbital elements of all numbered planets have been determined in IAA all over again on the ground of available observations in the catalog of the Minor Planet Center. ... More detailed information on orbital elements used in the present volume of EMP and their accuracy is given in section "Information on new orbital elements". ... a) information on new orbital elements; . ...

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• NAA 2013-2014 (preface)
• NAA 2015-2016 (preface)
• NAA 2011-2012 (preface)

... 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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• water ice on mercury
• The Pleiades
• Present Exploration of the Solar System

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Directory of astronomy web sites. ... Listed Since October 25, 2004 . ... Web Site . http://123world.com/astronomy/index.html . ... Web . www.astronomy.net . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Astronomy articles, forums, listings, and other resources about Astronomy.
• Distant Suns, AstroGuide Listing
• Northern Cross Science Foundation, AstroGuide Listing

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Rocket Systems . ... ISS Russian Segment . ... Sea Launch . ... News . ... At the launch site the pre-launch processing and launch operations were supervised by the State Commission for manned systems flight tests and the Technical Management for flight tests of manned space systems, headed by the RSC Energia President and General Designer V.A. Lopota. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA
• S.P.Korolev RSC Energia - MARTIAN MISSION

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . View of the planets Uranus, Venus and Mars in the early evening western sky after sunset, as seen from Armagh at 7.00pm on 1 March 2015. ... Armagh Observatory reports that the next two weeks provide a rare opportunity to observe the planets Venus, Mars and Uranus in the western evening sky after sunset, and the bright planet Jupiter rising high in the East about the same time. ...

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• MILD DRY FEBRUARY
• Armagh Observatory Weather January 2005
• Armagh Astropark: The Solar System