... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 November 24 . NGC 1365: Majestic Spiral with Supernova . ... Explanation: Barred spiral galaxy NGC 1365 is truly a majestic island universe some 200,000 light-years across. ... Discovered on October 27, the position of a bright supernova is indicated in NGC 1365. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... 24.11.2012 . ... Credit Copyright: Martin Pugh Explanation: Barred spiral galaxy NGC 1365 is truly a majestic island universe some 200,000 light-years across. Located a mere 60 million light-years away toward the chemical constellation Fornax , NGC 1365 is a dominant member of the well-studied Fornax galaxy cluster . ... Publications with keywords: spiral galaxy - supernova . Publications with words: spiral galaxy - supernova . ... Nearby Spiral Galaxy NGC 4945 . ... Spiral Galaxy NGC 5033 . ...

Supernovae 2012fr in NGC 1365 . This page is devoted to information on Supernova 2012fr in NGC 1365 . ... AAVSO 2012fr page . ARAS 2012fr page . ... Berto Monard . 2012/10/23.000 . ... 2012/10/27.05 . ... Ivan Curtis . ... Joseph Brimacombe . 2012/10/31.542 . ... 2012/11/02.462 . ... 2012/11/02.573 . ... 2012/11/04.452 . ... 2012/11/04.454 . ... 2012/11/07.207 . ... 2012/11/07.456 . ... 2012/11/07.510 . ... Ivan A. Curtis Light curve . ... Back to Bright Supernovae - 2012 . ...

... Our Galaxy . ... Space Flight . ... No Comments Dim and isolated, the dwarf irregular galaxy WolfтАУLundmarkтАУMelotte (WLM) could be described as an astronomical тАЬliving fossilтАЭ as it seems to have developed since it formed billions of years ago [ ] . Continue Reading.. ... Posted on November 24, 2011 | ... 3 Comments The astronomy community is excited by the discovery of an exploding star, a supernova, in a galaxy 21 million light years away in the constellation Ursa Major. ...

... Mach 1,000 shock wave lights supernova remnant . Astronomers have discovered that a reverse shock wave racing inward heats Tycho s supernova remnant and causes it to emit X-ray light. ... In the case of Tycho s supernova remnant, astronomers have discovered that a reverse shock wave racing inward at Mach 1,000 1,000 times the speed of sound is heating the remnant and causing it to emit X-ray light. ... The reverse shock wave heats gases inside the supernova remnant and causes them to fluoresce. ...

... 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) . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. May 25, 1999 . NGC 6872: A Stretched Spiral . ... Measuring over 700,000 light years across from top to bottom, NGC 6872 is one of the largest barred spiral galaxies known. ... Of particular interest is NGC 6872's spiral arm on the upper left, as pictured above , which exhibits an unusually high amount of blue star forming regions . ...

... 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. ...

... They cover a period of 4 days in which the Supernova continues to rise in brightness (what astronomers call magntiude). ... First Image Taken on March 11 at 8:22 UT. Second Image Taken on March 12 at 8:52 UT. ... The supernova is the same brightness as in the previous image taken 2 hours ago . ... This image, taken 24 hours after the previous image, shows the supernova to be another 0.21mag (or about 25%) brighter. ... Hopefully the images do show that the brightness of the Supernova is changing. ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Publications of the ASP (PASP) . ... By the Light of the Moon . ... Moonlight varies over a greater range than the light from any other bright celestial object?planet, satellite, or star?in the entire sky. ... The level of light that disturbs this gland and its secretions is not yet accurately known, but indications are that this level is not much brighter than the full Moon. ...

I will present theresults from a deep, extended, planetary nebulae survey in a 0.5 sqdeg region centered on the brightest cluster galaxy NGC 4486 (M87) in the Virgo cluster core, carried out with SuprimeCam@Subaru and FLAMES-GIRAFFE@VLT. ... A substructure detected in the projected phase-space of the line-of-sight velocity vs. major axis distance for the M87 halo planetary nebulae provides evidence for the recent accretion event of a satellite galaxy with luminosity twice that of M33. ...

... Data . ... Dr. Laura Watkins . ... 2015, ApJ, 812, 149 . Online data at CDS: Distance and M/L results; compilation of literature dispersion profiles . ... Online data at CDS: Proper-motion dispersion and anisotropy profiles as a function of radius . ... Online data at CDS: HSTPROMO GC catalogues overview; catalogue for NGC7078 (M15) . ... 2009, MNRAS, 398, 1757 . Online data at CDS: Variables and RR Lyraes in Stripe 82 . ... Online data at CDS: Light-Motion Curve Catalogue for Stripe 82 . ...

... Centaurus A : 15,000,000 light years away, in the constellation Centaurus, the closest AG to Earth . ... Astronomers think that the reason for the unusual shape of this galaxy is because hundreds of millions of years ago two galaxies, one dusty spiral and one bright ellipictal, collided causing a massive black hole in the middle and bright emmision of light. ... Andromeda galaxy: 2.8 million light years away, closest spiral galaxy to earth, farthest object one can see without a telescope. ...

... Recherche dans le site : . Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil NGC 3521, une spirale floconneuse dans le Lion . ... A la une . ... D†йcouverte en 1784 par William Herschel, la galaxie spirale NGC 3521 d†йploie ses bras €л pelucheux €Ё †а 35 millions d'ann†йes-lumi†иre de la Voie lact†йe. ...

... Submitted by Al Takeda on 12/24/2012 23:40:10 . Large Magellanic Cloud (LMC) . The larger of the 2 Magellanic Clouds, this dwarf galaxy spans an area of 650-minutes x 550-minutes (10-degrees) and is 160,000 light years away on the border of the constellations of Dorado and Mensa. ... The LMC was the host galaxy to supernova 1987A. 7 images x 27-second subframes, Total= 3 minutes 9-seconds. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Gerhardt Meurer (Johns Hopkins University) . The accompanying picture shows NGC 2915, which Australian, Canadian, and American astronomers have shown to be the darkest known disk galaxy. ... The team of astronomers, lead by Gerhardt Meurer at Johns Hopkins University, analyzed the rotation of the galaxy and showed that NGC 2915 is composed mostly of "dark matter". Dark matter is extremely difficult to detect since it does not emit any radiation. ... Gerhardt R. Meurer . ...

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. ...

Galactic Wind Shells and High Redshift Radio Galaxies . ... M.Krause . Astronomy & Astrophysics, v.436, 845-851 . Very Light Jets II: Bipolar large scale simulations in King atmospheres [small version] . ... Simulations of Astrophysical Jets in Dense Environments . M.Krause, V.Gaibler & M.Camenzind . in: High Performance Computing in Science and Engeneering '05 eds.: E.Krause, W.J ger & M.Resch. ... M.Krause & M.Camenzind . ... Martin Krause & Paul Alexander . ... Martin Krause . ...

... 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)] . ...

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