... 2004 August 15 . Hoag's Object: A Strange Ring Galaxy . Credit: R. Lucas ( STScI / AURA ), Hubble Heritage Team , NASA . Explanation: Is this one galaxy or two? ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... The above photo taken by the Hubble Space Telescope in July 2001 reveals unprecedented details of Hoag's Object and may yield a better understanding . ... About APOD | ...

Еще в разделе: (Показать все результаты (>7246) - www.sai.msu.su/ )

• APOD: 2010 August 22 - Hoags Object: A Strange Ring Galaxy
• APOD: 2013 July 28 - Hoag's Object: A Strange Ring Galaxy
• APOD: 2002 September 9 - Hoags Object: A Strange Ring Galaxy

... Hoags Object: A Strange Ring Galaxy . ... Credit Copyright: R. Lucas ( STScI / AURA ), Hubble Heritage Team , NASA Explanation: Is this one galaxy or two? ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... The above photo taken by the Hubble Space Telescope in July 2001 revealed unprecedented details of Hoag's Object. ... July . ... July 2013 . ... The Double Ring Galaxies of Arp 147 from Hubble . ...

Еще в разделе: (Показать все результаты (>142646) - www.astronet.ru/ )

• Ring Galaxy AM 0644 741 from Hubble
• The Double Ring Galaxies of Arp 147 from Hubble

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... IAU Publications . ... Publications of the ASP (PASP) . ... Mercury Magazine Contents . ... July/August 1996 . ... By Doppler shifts, by interferometry, by photometry -- the hunt to find planets around other stars is on, and amateur astronomers may soon be taking a leading role. ... Last May, the Space Telescope Science Institute canceled the Hubble amateur program for lack of interest. ...

Еще в разделе: (Показать все результаты (>1580) - www.astrosociety.org/ )

• ASP: Contents, July/August 1997
• ASP: Contents, July/August 1995
• ASP: Contents, July/August 2002

... 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) . ...

Еще в разделе: (Показать все результаты (>442) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Bitesize Astronomy

Image -- Jim Flood, Max Mutchler (Space Telescope Science Institute), and NASA. The Hubble image shows clusters of hot, young, blue stars in a 3,000 light-year segment of NGC 1808's starburst region. The ground-based image shows a faint halo surrounding the galaxy's disk - the aftereffect of dust filaments being ejected from the core by massive stars that exploded as supernovae in the starburst region. ... 1 April 1998 . for the July 1998 edition of Astronomy magazine) ...

Еще в разделе: (Показать все результаты (>17409) - www.stsci.edu/ )

• HST this week: 211
• Howard E. Bond's Home Page
• HST this week: 220

... STScI-PRC96-03 and JPL-P-46536 HUBBLE FINDS SEARCHLIGHT BEAMS AND MULTIPLE ARCS AROUND A DYING STAR This image of the Egg Nebula, also known as CRL2688 and located roughly 3,000 light-years from us, was taken in red light with the Wide Field and Planetary Camera 2 (WFPC2) aboard NASA's Hubble Space Telescope. ... The central star in CRL2688 was a red giant a few hundred years ago. The nebula is really a large cloud of dust and gas ejected by the star, expanding at a speed of 20 km/s (115,000 mph). ...

Еще в разделе: (Показать все результаты (>7321) - www.arcetri.astro.it/ )

• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Cartwheel.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Seyfert2.txt
• APOD: July 13, 1999 - The Flame Nebula in Infrared

Astronotes Armagh Planetarium's Stellar Blog! ... Saturn as you haven't seen it (Image credit: NASA/ESA) . This false colour image from the Hubble Space Telescope not only shows Saturn in an unfamiliar light, but displays some of the giant planet?s features. ... Viewing Saturn at this time not only allows us to see the famous rings almost edge on but also to observe both polar regions at once. There we see Saturn?s aurorae, analogous to Earth?s Northern lights and Southern Lights. ...

Еще в разделе: (Показать все результаты (>2818) - www.armaghplanet.com/ )

• Young Stars in the Small Magellanic Cloud | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• The Blue Planet | Astronotes

Within the Hubble Ultra Deep Field there are approximately 10,000 discrete objects. ... Most of these objects are very small and likely have masses in the range of 10 5 to 10 7 solar masses. Note the mass of the Milky Way galaxy is 10 12 solar masses. ... Finally, for you cosmologists/experts out there this ultra deep field is quite consistent with what was seen in the original Hubble Deep Field 5) don't necessarily have small angular diameters. ...

Еще в разделе: (Показать все результаты (>436) - zebu.uoregon.edu/ )

• THE HUBBLE LAW JAVA APPLET

... Tonight's Sky . ... Sky this Month . ... Star Atlas . Product Reviews . ... stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Sky this Week . ... Astronomy for Kids . ... Hubble offers a dazzling view of the Necklace Nebula . ... The object, aptly named the Necklace Nebula, is a recently discovered planetary nebula, the glowing remains of an ordinary, Sun-like star. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

Еще в разделе: (Показать все результаты (>7133) - www.astronomy.com/ )

• Hubble sees Uranus' rings on edge | Astronomy.com
• How can the Hubble Space Telescope (HST) take pictures of objects light-years
• If my dog Pluto were sitting on that planet July 14, would he be likely to

... The MROI makes use of optical interferometry, much like COAST . ... As a major collaborator, the Cambridge Astrophysics Group is currently developing some of the mechanisms below, specifically the delay line and the fast tip-tilt system. ... Fringe tracking is used to control the positions of the delay line trolleys to make sure the light beams from the different telescopes in the MROI arrive at the science camera beam combiners in phase so that an interference pattern can be produced. ...

Еще в разделе: (Показать все результаты (>1692) - www.mrao.cam.ac.uk/ )

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

Еще в разделе: (Показать все результаты (>791) - www.mso.anu.edu.au/ )

• PPT Slide

The Sun's corona . ... For instance, short "plumes" rising from the polar regions of the Sun look very much like field lines coming out of the end of a bar magnet, and they therefore suggest that the Sun, in addition to the intense fields of sunspots, also has a global magnetic field like the Earth's. Arches above the . Sun's surface . ... It is brightest near sunspots, whose arched field lines apparently hamper the outflow of solar wind which carries away energy and helps cool the corona. ...

Еще в разделе: (Показать все результаты (>956) - www.iki.rssi.ru/ )

• Energetic Particles
• The Io Dynamo
• Neptune

... ATNF Home . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Now, new Australia Telescope observations of the polar ring galaxy NGC 4650a suggest that the dark matter in this galaxy lies in a flattened distribution aligned with the polar ring. ...

Еще в разделе: (Показать все результаты (>21612) - www.atnf.csiro.au/ )

• Pulsar group | Main / Visitors
• ATNF Media Release - December 1, 1998
• ATNF Colloquium

... A dynamo is created in a magnetic field by an electric circuit, part of which is moving relative to the rest (additional conditions must also be met). ... Furthermore, the plasma between them conducts electricity very well along its magnetic field lines, which act as if they were wires connecting Io and the planet (drawing). ... The drawing is not to scale. ... The Hubble Space Telescope , using its Wide Field and Planetary Camera 2, has been photographing auroras of the planet Jupiter. ...

Еще в разделе: (Показать все результаты (>1120) - www.cosmos.ru/ )

• Energetic Particles
• The Sun's Corona
• High Energy Particles

... Confirmation that a mysterious cloud of hydrogen in the Virgo Cluster is a dark galaxy has been published by a team of astronomers . New evidence from NASA's Hubble Space Telescope and the Westerbork Synthesis Radio Telescope in the Netherlands has been used to rule out all but one of the ideas put forward to explain the existence of VIRGOHI 21, an intergalactic gas cloud 50 million light-years from the Earth. ... Only Dark Matter can account for the existence of such a system. ...

Еще в разделе: (Показать все результаты (>2965) - www.naic.edu/ )

• The Pleiades
• VIRGOHI 21
• Rhiannon Zoe Nolan Howell July 2001

... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

Еще в разделе: (Показать все результаты (>1235) - www.astronomy.net/ )

• Im New Here And I Would Like Some Help - an Astronomy Net Blackholes2 Forum
• You Can Make Stellar Images Brighter - an Astronomy Net Article
• Bigbang Discussion Forum - Hosted by The Astronomy Net

SAS home . ... List of SAS threads . This thread contains a step-by-step recipe to extract a light curve of a point-like source for all the X-ray cameras, and to start a simple analysis tool. ... If the following files are available: a) RGS event list; b) RGS source list, just a single evselect command allows a user to create a light curve, corresponding to the extraction regions in the spatial and order images. set up your SAS environment (following the SAS start-up thread ) . ...

Еще в разделе: (Показать все результаты (>6985) - xmm.vilspa.esa.es/ )

• Extraction of a X-ray light curve for an EPIC point-like source (GUI version)
• Extraction and correction of an X-ray light curve for a point-like source
• XMM-Newton SAS: Documentation

Our publications in 1997 year Izotov, Yu. I.; Thuan, T. X.; Lipovetsky, V. A. Dwarf Galaxies: Probes for Galaxy Formation and Evolution, Joint Discussion 2, 21 August 1997, Kyoto, Japan. Izotov, Yuri I.; Thuan, Trinh X.; Lipovetsky, Valentin A. Astrophysical Journal Supplement, 01 1997, v.108, p.1 . ... Pustil'nik, S. A.; Lipovetsky, V. A.; Izotov, Y. I.; Brinks, E.; Thuan, T. X.; Knyazev, A. Y.; Neizvestnyi, S. I.; Ugryumov, A. V. Pis'ma Astron. ... 74, August 1997, p. 536 . ...

Еще в разделе: (Показать все результаты (>1574) - www.sao.ru/ )

• "Structure" publications in 1996 year
• Cyg X-3 in 2000 July-August
• A BRIEF INTRODUCTION

... 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. ...

Еще в разделе: (Показать все результаты (>66169) - www.eso.org/ )

• Marina Rejkuba's Web Site
• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• High Resolution HST Images of Pluto and Charon (ESO Press Release 09/94)

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... News Feed . ... 2009 December 15th . ... Second Wettest November Since 1838 . ... 2009 November 26th . ... 2009 November 24th . ... 2009 November 23rd . ... 2009 November 20th . ... 2009 November 17th . ... 2009 November 13th . ... 2009 November 9th . ... 2009 November 4th . ... 2009 November 2nd . ... Pleasant September . ... Humid August . ... June Sunnier and Warmer than Average . ... March Drier and Milder Than Average ...

Еще в разделе: (Показать все результаты (>5224) - star.arm.ac.uk/ )

• Stars Beyond Maturity
• Objects in the Sky
• Armagh Observatory