... Credit Copyright: Robert Gendler Explanation: It's easy to get lost following the intricate filaments in this detailed image of faint supernova remnant Simeis 147. ... The cosmic catastrophe also left behind a spinning neutron star or pulsar, all that remains of the original star's core. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: supernova remnant - H-alpha - pulsar . Publications with words: supernova remnant - H-alpha - pulsar . ...

Today's APOD | ... Editor's choices for the most educational Astronomy Pictures of the Day about supernova remnants: . ... The spectacular death explosion is initiated by the collapse of what has become an impossibly dense stellar core. ... APOD: 2002 March 31 - The Mysterious Rings of Supernova 1987A . ... Speculation into the cause of the rings includes beamed jets emanating from a dense star left over from the supernova, and a superposition of two stellar winds ionized by the supernova explosion. ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "We're light years more advanced than our competition!" ... Even the closest astronomical object, the Moon, is 400,000 kilometers away! ... A beam of light will travel 9,500,000,000,000 kilometers in one year. This distance is defined as a light year ; the distance light travels in a year. ... This is another example of Bad Astronomy; like a light year, a parsec is a unit of distance, not time (to be specific, it equals 3.26 light years) . ...

DICKEL, J.R., GREEN, A., YE, T. & MILNE, D.K. "The supernova remnant RCW 103 at radio wavelengths". AJ , 111 , 340-345 (1996). ... GAENSLER, B.M., MANCHESTER, R.N., STAVELEY-SMITH, L., TZIOUMIS, A.K., REYNOLDS, J.E. & KESTEVEN, M.J. "The asymmetric radio remnant of SN 1987A". ... GAENSLER, B.M. "The nature of bilateral supernova remnants". ... GAENSLER, B.M., MANCHESTER, R.N. & GREEN, A.J. "Radio continuum and HI observations of supernova remnant G296.8-00.3". ... ApJ, 543, 840-849 (2000). ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... Purchase through the AstroShop . ... Publications of the ASP (PASP) . ... Astronomy Beat . ... Lighting the Nebulae . ... The interplay of light and atoms paints the beautiful palette of planetary nebulae. ... So come along on a trip to the inside of a planetary nebula and see what really happens as light and atoms violently interact to create some of the loveliest objects in the night sky. home | ... astroshop | ...

... This is combined emission from all the gas clouds circling the black hole, between 0.1 and 10 light years out. ... These are the expanding clouds of gas left behind when a massive star comes to the end of its life and explodes, producing a supernova. ... Also known as the Veil nebula, a vast and beautiful whispy nebula left over from an exploding star. ... The Crab Nebula (120kb). ... Carbon Star (120kb) Red giant stars, surrounded by clouds or carbon dust. ... 3500 K star (64kb) , like Aldebaran. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Space Flight . ... Monthly Sky Notes . ... 1 Comment Looming large in the after dark southern sky in July is the large and overlapping but often overlooked constellations of Ophiuchus and Serpens. ... Continue Reading.. ... 52 Comments Looking up in to the night sky itтАЩs not difficult to see why the ancient Greeks believed that all the stars in the night sky were fixed on a celestial [ ] . ... Posted on September 21, 2012 | ...

... R.S. de Jong, A.C. Seth, D.J. Radburn-Smith, E.F. Bell, T.M. Brown, J.S. Bullock, S. Courteau, J.J. Dalcanton, H.C. Ferguson, P. Goudfrooij, S. Holfeltz, B.W. Holwerda, C. Purcell, J. Sick, D.B. Zucker, 2007, ApJL 667, 49 . ... S.A. Kassin, R.S. de Jong, B.J. Weiner 2005, ApJ 643, 804 . ... I. Near-Infrared and Optical Broadband Surface Photometry of 30 Galaxies . ... Eric F. Bell and Roelof S. de Jong 2001, ApJ 550, 212-229 . ... Roelof S. de Jong 1996, A Suppl. ... Back to Roelof's home page () . ...

What happens to a star heavier than five solar masses? ... Stars about ten solar masses probably behave like our five solar mass star until they reach the end of core-helium burning. ... The Crab nebula was formed after a massive explosion ripped a star apart in 1054. ... Today, the glowing outer layers of the star are still rushing away from a tiny star in the centre. ... An incredible explosion rips through the outer layers of the star, releasing colossal amounts of energy in a supernova explosion. ...

... 2000 June 13 . The Carina Nebula in Infrared . ... Explanation: About three million years ago, the stars in the Keyhole Nebula began to form. The above picture of the Keyhole Nebula , also known as the Carina Nebula or NGC 3372, shows in infrared light many facets of this dramatic stellar nursery which lies only 9,000 light-years away. ... The bright star near Trumpler 14 is called Eta Carinae and is one of the most unusual stars known. ... About APOD | ...

... Wispy tendrils of hot dust and gas glow brightly in this ultraviolet image of the Cygnus Loop nebula, taken by NASA s Galaxy Evolution Explorer. The nebula lies about 1,500 light-years away and is a supernova remnant, left over from a massive stellar explosion that occurred between 5,000 to 8,000 years ago. ... The filaments of gas and dust visible here in ultraviolet light were heated by the shock wave from the supernova, which is still spreading outward from the original explosion. ...

... Spectrosc., 90 , 574-579. [ abstract (in English; ASCII file); paper (in Russian; PS file)] . ... Astronomy Letters, 26 , N 10, 679-690. [ abstract (ASCII file); paper (PDF file)] . ... 2001) . ... 72 , N 5, 607-612. [ abstract (ASCII file); paper (PS file)] . ... Scattering and polarization properties of the non-spherical particles. in: Smith W.L., Timofeyev Y.M. (eds.) IRS 2000: Current Problems in Atmospheric Radiation, A.Deepak Publ. (in press) [ abstract (ASCII file); paper (PS file)] . ...

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

Follow-up observations with the University of Washington 0.76 m telescope at Manastash Ridge Observatory (MRO) of the Sloan Digital Sky Survey (SDSS) cataclysmic variable (CV) SDSS J170053+400358 are presented. ... They estimate that the dimming amounted to about 0.028 mag (using two comparison stars that were each about 4 mag fainter than HD 209458). only UW affiliated authors have been listed, student researchers are marked with an ``*'' . ... XTE J1859+226" UW affiliated authors: *Kevin Krisciunas. ...

... Most Important Journals . Less Popular Astronomical Journals . Physics . Space, Selectial mechanics, .. Russian Journals . ... Astrophysics & Astronomy . ... Astronomical Journal . ... New Astronomy . ... Publications of the Astronomical Society of the Pacific . ... STScI News . Space Telescope Insitute Newsletter . ... Journal of Astronomical Data . ... Journal of High-Energy Physics (mirror in CERN ) [astro, grav, hi-energy .. ... Journal of Experimental and Theoretical Physics . ...

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

Supernova 2003gs in NGC 936 . This page is devoted to information on Supernova 2003gs in NGC 936 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. ... This is a subluminous type Ia found at about maximum light in a nearby galaxy. ... JM Llapasset image . ... vsnet-campaign-sn 663 ] SN 2003gs in NGC 936 . ...

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

... Robert L. Stewart (Brigadier General, USA, Ret.) ... SPECIAL HONORS: Awarded Army Distinguished Service Medal , Defense Superior Service Medal , 2 Legion of Merit, 4 Distinguished Flying Crossed, a Bronze Star, a Meritorious Service Medal , 33 Air Medals, the Army Commendation Medal with Oak Leaf Cluster and V Device, 2 Purple Hearts, the National Defense Service Medal , the Armed Forces Expeditionary Recipient of NASA Space Flight Medal (1984 & 1985). ...