... Armagh Planetarium . ... Universe . ... Posted on July 19, 2011 | ... Continue Reading.. ... 2 Comments Armagh Planetarium is the place to be this summer with activities and theatre shows which are тАШout of this worldтАЩ. In the PlanetariumтАЩs amazing new Digistar 4 Digital Theatre you [ ] . ... Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

Astronomy Picture of the Day . Ceres: Asteroid or Planet . ... 21.08.2006 . ... Explanation: Is Ceres an asteroid or a planet? ... Pictured above is the best picture yet of Ceres, taken by the Hubble Space Telescope as part of a series of exposures ending in 2004 January. Currently, NASA's Dawn mission is scheduled to launch in 2007 June to explore Ceres and Vesta , regardless of their future designations. ... August 2006 . ... 1999 2000 . ... Publications with keywords: planet - asteroid . ...

... 2015 April 18 . The Great Crater Hokusai . Image Credit: NASA , Johns Hopkins Univ. ... Explanation: One of the largest young craters on Mercury, 114 kilometer (71 mile) diameter Hokusai crater's bright rays are known to extend across much of the planet . But this mosaic of oblique views focuses on Hokusai close up, its sunlit central peaks , terraced crater walls , and frozen sea of impact melt on the crater's floor . The images were captured by the MESSENGER spacecraft. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Site Info . ... It is from from Voyager 1 and shows a whopping big impact crater dominating the profile of the moon. Note that Mimas is about 400 kilometers across (about 250 miles). ... The wall around the crater is 5 kilometers high, and that central peak rises 6 kilometers above the surface (many impact craters have a large central peak which is caused by a pressure rebound from the impact). ... 2008 Phil Plait. ...

... Space Telescope Science Institute and Johns Hopkins University . A multidisciplinary course exploring the origins of life, planetary formation, Earth's evolution, extrasolar planets, habitable zones, life in extreme environments, the search for life in the Universe, and space missions. DiRuggiero, Norman, and others, 3 credit hours. ... The JHU Department of Earth and Planetary Sciences also offers courses that may be of interest to students interested in astrobiology: . ...

The New Solar System, 3rd Edition, Beatty and Chaikin Eds. Stardust to Planets, Harry Y. McSween, Jr. ... The Planets" opus 32 by Gustav Holst (1874-1934) performed by Andr Previn and the Royal Philharmonic Orchestra; Telarc CD-80133 Many of these are available at The Nine Planets Bookstore . ... Calvin J. Hamilton , the author of Views of The Solar System , made many of the inline images I use here. ... Ken Edgett, the author of DSN Solar System Menu provided a few more inline images. ... Credits .. ...

. Mars has become the center of intense interest since the Martian Meteorite results were announced. Currently there is a lively debate whether or not primitive life formed there or not.

... General information . ... Staff . Research staff . ... Information . ... Historical highlights . Historical research . ... This process is thought to occur in circumstellar disks of gas and dust around young stars on rather short timescales : infrared surveys show that the number of low mass stars with disks drops dramatically for stars older than 10 Myr, suggesting that in order to form large solids before the disk disperses, the growth process has to take place within a few million years. ...

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. ...

... 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 Magazi