In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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... September 25, 1996 . Bright Stars and Dark Clouds . Credit: Anglo-Australian Telescope photograph by David Malin . ... Well don't feel bad - this even happened to the bright young stars of the open cluster NGC 6520. On the left are the cluster's bright blue stars. They formed only millions of years ago - much more recently than our ancient Sun which formed billions of years ago. On the right is an absorption nebula from which the stars might have formed. ... About APOD | ...

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• APOD: 2006 July 14 - The Colorful Clouds of Rho Ophiuchi
• APOD: 2012 December 6 - 47 Tuc Near the Small Magellanic Cloud
• APOD: May 13, 1999 - Mars Volcano Apollinaris Patera

The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. ... Such abrupt events were named solar flares , and what made them especially interesting was that occasionally, after a prominent flare, a magnetic storm would erupt on Earth. ...

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• Venus

Titan . ... Hubble Space Telescope Images of Titan's surface . ... Later that year, it will release the European-built Huygens probe for a descent through Titan's atmosphere. ... This artist's rendering shows the European Space Agency's Huygens probe descending into the atmosphere of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ... This artist's rendering shows the Huygens probe on the surface of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ...

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• Martian Clouds
• Hubble Finds Oxygen Atmosphere On Jupiter's Moon Europa
• Venus

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... ATNF facilities . ... Parkes radio telescope . Australia Telescope Compact Array . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Surface brightness measurements of . extended galactic nebulae . ...

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• Every cloud has a translucent region
• HIPASS Bright Galaxy Catalog

... Above (top) is Hubble's detailed view of the dark cosmic dust cloud, released to celebrate the 11th anniversary of the workhorse orbiting observatory. Space Laser Creates Artificial Star . ... Bright star fluctuations can indicate how the Earth's atmosphere is changing, but many times no bright star exists in the direction where atmospheric information is needed. NGC 2264: Stars, Dust, and Gas . ... The nebula surrounding bright star S Mon is filled with dark dust and glowing gas. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... the star might be able to see the lead- and zirconium-rich . ... Naslim Neelamkodan, Simon Jeffery, Natalie Behara and Alan Hibbert are studying the surfaces of small hot stars, known as helium-rich subdwarfs. ... Now studying a group of similar stars, they have discovered two which have surfaces containing ten thousand (10,000) times more lead than is present on the surface of the Sun. ... Prof Simon Jeffery . ...

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• Meteors in Planetary Atmospheres
• Terry Mosely's Bulletins
• Anatomy of a decline

... January 8, 2007 . ... SENTINEL CORRESPONDENT . Astronomers at UC Santa Cruz have discovered a surprisingly massive halo of bright, old stars around our galactic neighbor Andromeda, pushing the outer limits of the galaxy to 1.5 million light years, and teaching them how spiral galaxies behave. ... Younger stars may be remnants of a galaxy devoured, but older stars could have formed with the birth of the galaxy. ... http://www.santacruzsentinel.com/archive/2007/January/08/local/stories/03local.htm . ...

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• Dust Around Stars
• The Mass-loss Return from Evolved Stars to the Large Magellanic Cloud. II. Dust
• The Ever-changing Circumstellar Nebula around UW Centauri

... The ancient chronical said about the colour rings around the Sun and the Moon, about three suns in the sky, light columns, bright lightning, different "comets" rushing to the Earth, moving among the stars or round the Earth with the sky. All these occurrences may be divided into three categories: one that occur in the near or far space, processes going on in the Earth atmosphere under the influence of cosmic factors and at last the occurrences connected with the Earth atmosphere. ... Rainbow . ...

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• venerae

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

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... It s because some sunlight bounced off the Earth and dimly lit the side of the Moon that is facing away from the Sun. ... Recently, astronomers used earthshine to help in the search for aliens. Signs of life can be found in the quantities of particular gases in a planet s atmosphere, such as oxygen, ozone, methane and carbon dioxide. And astronomers can work out what gases are in a planet s atmosphere by studying the light that bounces off them their planetshine . ...

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• http://www.eso.org/public/news/eso1113/kids/
• http://www.eso.org/public/news/eso1117/kids/
• http://www.eso.org/public/news/eso1311/kids/

... self-absorption - the absorption of light shining on an object by a process similar to that which produced the light originally; if a cloud emits less light than it absorbs from other clouds behind it, this net loss of light, termed self-absorption , causes the foreground cloud to appear darker than the background field (the term is from spectroscopy, where small absorption dips sometimes occur in larger emission lines, making the latter look as if it is absorbing part of itself) . ... HISA Main ...

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• The Large Magellanic Cloud
• hydrocarbon lakes on Titan
• Searching the Environment around LyAlpha Absorbers

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Moon . ... Comets and Asteroids . ... What changed our view of Chariklo is the discovery of a ring system around it, the first such feature found around a Solar System body smaller than a gas giant planet. ... Almost certainly the rings were born when a collision with a smaller asteroid blasted millions of tonnes of debris off CharikloтАЩs surface. ... A ring system detected around the Centaur (10199) Chariklo (Braga-Rigas et al.) ...

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• Comet ISON: will it be Comet of the Century? | Astronotes
• How Venus will kill you in less than 10 seconds | Astronotes

... Bad Astronomy . ... Bad Astronomy: The North Star, Polaris, is a very bright star. Good Astronomy: Polaris is a middling-bright star, easily missed. ... He said it was close to Polaris, the North Star, but he also said it was in the East. ... It's natural, I suppose, to think that such an important star should be bright, but really, that's a conceit, like thinking that the Earth is at the center of the Universe. If more people knew just why Polaris is the North Star, this Bad Idea would stop. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Info
• Phil Plait's Bad Astronomy: Mad Science

... Where is Venus and how big is it? ... What are Venus's clouds made of? ... Target: Venus ? ... Starting in early May, Venus will be the brilliant "morning star", rising just before the Sun does. ... will "invade" Venus by dropping a number of landers and balloon-carried probes into the planet's cloud-shrouded atmosphere. ... The American Pioneer Venus Orbiter and the two 1983 Soviet Venera spacecraft (see table ) each carry radar instruments which have been mapping Venus's surface through the clouds...

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• ASP: What Have We Learned About Halley's Comet?
• ASP: The Magellan Spacecraft at Venus
• ASP: Lord of the Rings

Definitions of Magnitudes and Surface Brightness 1 The magnitude system 1.1 Apparent magnitude Astronomers are stuck with the antiquated old system of magnitudes and so a clear explanation of what this system is and how it relates to more sensible units is important. ... 1.2 Absolute magnitude Absolute magnitude is a logarithmic luminosity scale. ... One usually goes by the round about process of referring to the absolute magnitude of the sun. ... Magnitudes and surface brightness 6/6 ...

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• http://www.mso.anu.edu.au/~bessell/thumbnails/images.txt
• The Local Sphere of Influence Survey
• C/2006 P1 (McNaught)

. True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . Images show regions used to extract spectra . Regions with red strikes are excluded . Background was subtracted from a region around or close to the SNR. Back to SNR J0505.8-6801 Index . Chandra Supernova Remnant Catalog . Main Page | Galactic SNR | Magellanic Cloud SNR . True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR .

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• Chandra Images for 0506-68.0
• Chandra Images for J0454.4-6713
• Chandra Images for SNR J0519.5-6902

... Observing . ... Behemoth black hole found in an unlikely place . ... Gas cloud swings around galactic center black hole . Observations of the heart of our Milky Way have revealed that parts of the infalling gas cloud have already swung past the black hole at our galactic center. ... Recent observations from April of the galactic center have revealed that parts of the infalling gas cloud, which was detected in 2011, have already swung past the black hole at the heart of our Milky Way. ...

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• Astronomers once thought Pluto's atmosphere would condense down to the surface
• Spacecraft detects aurora and mysterious dust cloud around Mars | Astronomy.com
• Astronomers find extreme weather on an alien world | Astronomy.com

Compilation of Surface Brightness . HyperLeda home | Documentation | Search by name | ... Search an object in the surface brightness catalogue . The surface brightness in magnitudes per square arcsec (mag arcsec -2 ) . ... Surface brightness at effective radius . ... Effective mean surface brightness within the effective radius (equivalent radius in which half the total flux is emitted). ... Quality Flag The quality flag has the following meaning: . ... regular measurement . ...

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• HyperLEDA documentation: parameter: brief
• "Structure" publications in 2002 year
• The ABC's of Distances

... Energy . ... Solar Wind . ... Field . ... The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. For some reason the field slows down the flow of heat from the Sun's interior and keeps sunspots slightly cooler than their surroundings. ... Solar Eclipses . ...

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• Space Research Institute (IKI) Seminar
• The Moon: The Distant View
• (S-7a) The Black Hole at the Center of our Galaxy