... 2001 August 20 . The Lagoon Nebula in Three Colors . ... Explanation: The bright Lagoon Nebula is home to a diverse array of astronomical objects. Particularly interesting sources include a bright open cluster of stars and several energetic star-forming regions . When viewed by eye, cluster light is dominated by an overall red glow that is caused by luminous hydrogen gas , while the dark filaments are caused by absorption by dense lanes of dust . ... About APOD | ...

... 2000 August 18 . X-Rays From Antennae Galaxies . ... CXC , SAO , NASA . Explanation: A bevy of black holes and neutron stars shine as bright, point-like sources against bubbles of million degree gas in this false-color x-ray image from the orbiting Chandra Observatory . ... The exploding stars litter the scene with bubbles of shocked hot gas and collapsed stellar cores . ... Tomorrow's picture: X-ray Sky . ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

Supernova 2001X in NGC 5921 . This page is devoted to information on Supernova 2001X in NGC 5921 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. ... SNWeb has a 2001X page . ... 2001/03/02.386 . ... 15.2 . ... Arne Danielsen image . ... JM Llapasset image . ... vsnet-alert 5763 ] SN 2001X in NGC 5921 . ...

... Positions and Proper Motions of 258,997 Stars for the Epoch and |Equinox of 1950.0", Publ. of the Smithsonian Institution of |Washington, D.C., No. ... 1971-1979, "Lowell Proper Motion Survey" |(red dwarfs), Lowell Obs. ... LHS |Luyten, W. J. 1976, "A Catalog of Stars with Proper Motion |exceeding 0".5 annually", Publ. of Univ. of Minnesota, |Minneapolis, Minnesota; Luyten, W. J., Albers, H. 1979, "An |Atlas of Identification Chart for LHS Stars", Publ. of Univ. of |Minnesota, Minneapolis, Minnesota...

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