... From 4 million miles away on December 16, 1992, NASA's robot spacecraft Galileo took this picture of the Earth-moon system. ... Three thousand light years away, a dying star throws off shells of glowing gas. ... This giant spiral galaxy, Messier 101 (M101), was photographed by the Ultraviolet Imaging Telescope onboard the Space Shuttle Endeavour during the Astro-2 mission (March 2 - 18, 1995). ... It is over 150 million light years away, so the light we see left when dinosaurs roamed the Earth. ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... December . ... Posted on December 16, 2013 | 1 Comment Mission X: Train Like an Astronaut is an international educational challenge focusing on fitness and nutrition encouraging students to ?train like an astronaut.? ... Continue Reading.. ... No Comments Our Image of the Month was released to celebrate the 22nd anniversary of the NASA/ESA Hubble Space Telescope and is a striking panoramic look at a stellar nursery which is [ ] . ...

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• Tarantula Nebula in stunning Hubble Image | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• stellar nursery | Astronotes

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2011 December 25 . M1: The Crab Nebula from Hubble . Image Credit: NASA , ESA , J. Hester, A. Loll ( ASU ); Acknowledgement: Davide De Martin ( Skyfactory ) . ... The Crab Nebula , the result of a supernova seen in 1054 AD , is filled with mysterious filaments. ... The Crab Nebula spans about 10 light-years . ... About APOD | ...

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• APOD: 2009 December 10 - The Colors of IC 1795
• APOD: 2006 December 11 - IC 2118: The Witch Head Nebula
• APOD: 2009 December 29 - Rigel and the Witch Head Nebula

... STScI-PRC00-10 "HUBBLE TAKES A CLOSE-UP VIEW OF A REFLECTION NEBULA IN ORION" Just weeks after NASA astronauts repaired the Hubble Space Telescope in December 1999, the Hubble Heritage Project snapped this picture of NGC 1999, a nebula in the constellation Orion. ... NGC 1999 is an example of a reflection nebula. ... The star is so young that it is still surrounded by a cloud of material left over from its formation, here seen as the NGC 1999 reflection nebula. ...

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• Galileo to Jupiter
• Jupiter's Moon Ganymede
• Saturn's Moon Titan

... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... The Horsehead Nebula in Orion . ... Astronomy 101 . ... Astronomy Day . ... NASAт??s Hubble sees a horsehead of a different color . ... Looking like an apparition rising from whitecaps of interstellar foam, the iconic Horsehead Nebula has graced astronomy books ever since its discovery over a century ago. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• Hubble observes a dwarf galaxy with a bright nebula | Astronomy.com
• Hubble helps Dawn | Astronomy.com
• December 2003 | Astronomy.com

... 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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• Jupiter's Moon Ganymede
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• Comet Shoemaker-Levy 9

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

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... International Year of Astronomy in Ireland . ... Christmas Moon", painting by Miruna Popescu, Armagh Observatory, featured as " Lunar photo of the Day " and " Astronomy Sketch of the Day " on 25 December 2009. ... To mark the 400th anniversary of GalileoтАЩs first use of the telescope to observe the sky, 2009 has been celebrated worldwide as the International Year of Astronomy. Moon over Armagh - link to Astronomy Sketch of the Day on 25 December 2009 . ... Monday, 11 May 2009 23:54 . ...

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• Venus, Jupiter, Moon Conjunction and Occultation
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• Armagh Observatory

... STScI-PRC95-45a CRUCIBLE OF CREATION: PANORAMIC HUBBLE MOSAIC ZOOMS IN ON MAELSTROM OF STAR BIRTH This spectacular color panorama of the center the Orion nebula is one of the largest pictures ever assembled from individual images taken with NASA's Hubble Space Telescope. ... Though this 2.5 light-years wide view is still a small portion of the entire nebula, it includes almost all of the light from the bright glowing clouds of gas and a star cluster associated with the nebula. ...

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• M42 Color Images
• The Pleiades
• Asteroids National Astronomy and Ionosphere Center (Arecibo Observatory)

... 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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... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Star Clusters . ... FLAMES . ... 100 Hours of Astronomy . ... IMAX€о 3D Film Hidden Universe . ... This image, the first to be released publicly from VISTA, the worldтАЩs largest survey telescope, shows the spectacular star-forming region known as the Flame Nebula, or NGC 2024, in the constellation of Orion (the Hunter) and its surroundings. ...

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Composite Colors: Image Layers Grayscale Colorized Screen layer blend mode, analagous to a projected transparency Global Levels adjustment layer applies to all layers below Hue: 130 (green) Saturation: +100% Lightness: ­50% H F656N [N II] F658N Colorize [O III] F502N Hue/Saturation dialog for the F656N (green) layer of the Eskimo Nebula color composite converts grayscale layer into single-hue color layer. ... The Photoshop Layers Palette for the combined image. ... Each image is in a separate layer. ...

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• The Hubble Deep Field: Observing Strategy
• Surface Brightness
• Surface Brightness of Background Light

The Astronomy Shop . ... AstroGuide | Calendar | ... Shop | ... Calendars | Hubble Space Telescope Calendar . ... Each monthly grid contains image information and a skywatching guide citing observable events, major moon phases, etc. 12 x 12. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• The Astronomy Shop - Cards - by Astronomy Net
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• Astronomy articles, forums, listings, and other resources about Astronomy.

... The expansion is measured as a number called the Hubble Constant . ... Our value is about 20% lower than the one got with the Hubble Space Telescope in 1994," said Dr Jim Lovell, leader of the team that made the measurement. The Hubble Constant is named after American astronomer Edwin Hubble, who in the 1920s found that other galaxies were moving away from ours. ... The Hubble Constant links the galaxy's distance with its speed." ... A short run-down on the Hubble Constant: . ...

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• The 1000 Brightest HIPASS Galaxies
• ATNF Daily Astronomy Picture

... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

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In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• galaxies, Hubble sequence
• The Galaxy Gallery: Messier Objects
• Astronomy HyperText Book: Interstellar Medium

Ganymede is the largest moon in our solar system, larger even than the planets Pluto and Mercury. ... Ganymede's surface consists of two main types of terrain: old, dark polygonal units, and young, bright valleys and ridges (see figure 11 ). ... In a similar way, hitting a large block of ice with a hammer makes white marks. ... Ganymede as seen by Voyager 2. ... Because Voyager couldn't spot any large impact craters, scientists have concluded that the moon's surface is young. ... Moon . ... Europa . ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: Black Holes to Blackboards: Seeing the Light
• ASP: Good Astronomy Activities on the WWW

... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... If however the object is moving , the encounter is not symmetric, and in the end the spacecraft may have gained or lost speed, depending on its trajectory. ...

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• The Io Dynamo
• The Brightest Moon
• INTERBALL IB_TAIL December 1999 magnetic conjugations

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...

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• Chandra Images for SNR J0505.8-6801
• Chandra Images for 0506-68.0
• Chandra Images for J0454.4-6713

... Gallery . ... Wide Field Survey Images . Miscellaneous Wide Field Images . Orion Nebula by the Hubble Space Telescope . Sidebar Left . Sidebar Top . ... Title: Orion Nebula by the Hubble Space Telescope . Description: NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ... Orion Nebula by the Hubble Space Telescope NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ...

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• GSAOI Orion Nebula Cluster Science Page
• Siding Spring Survey
• C/2006 P1 (McNaught)