... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... One of the nearer supernovas of recent years was discovered last month in the bright nearby galaxy M100. The supernova, dubbed SN 2006X, is still near its maximum brightness and visible with a telescope.. ... Have you ever seen a comet? Comets bright enough to be visible to the unaided eye appear only every few years. Right now, however, a new comet has brightened unexpectedly and is visible as a faint streak to the unaided northern observer in the eastern morning sky just before sunrise. ...

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• Why is QSO 1229+204 so Bright?

... 2003 March 17 . SN 1006: History's Brightest Supernova . ... Explanation: Suddenly, in the year 1006 AD, a new star appeared in the sky. ... Modern observations have been used to measure the speed of the still-expanding shock wave , allowing a better estimate of its distance and hence a better estimate of the true brightness of the supernova . It turns out SN 1006 likely achieved an apparent visual magnitude of -7.5, making it the brightest supernova on record. ... About APOD | ...

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• APOD: August 24, 1996 - Why is QSO 1229+204 so Bright?
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... Bringing news from across the Universe to children all around the world . ... Have you ever walked down the street late a night and seen a point of light in the distance? ... This is because things look fainter when they're farther away. ... That s what astronomers did in 1995 when the Hubble Space Telescope was pointed at a region of the night sky about the size a tennis ball would look if it were a 100-metres away. ... One camera, called MUSE, was used to take a fresh look at the patch of sky. ...

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Supernova 2000cl in NGC 3318 This page is devoted to information on Supernova 2000cl in NGC 3318 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 Supernova links web page. ... Robin Chassagne's Supernova in NGC 3318 web page in French [ Translate ] . ... Robin Chassagne image . ... and Lidman image . ... vsnet-alert 4896 ] SN 2000cl in NGC 3318 . ...

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. Bishop School . Gallery of Activities . in Action .

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Astronotes Armagh Planetarium's Stellar Blog! ... Colin Johnston . ... Our Galaxy . ... To locate it, look along the imaginary line between the two end stars on the leading edge of the PloughтАЩs blade (Merak and Dubhe) and Polaris (the North Star), the galaxy M82 (also known as the Cigar Galaxy) along with its companion M81, lies just off this line about a third of the way between the Plough and Polaris. €а€аAs usual, the supernova is far brighter than its home galaxy, appearing as an extra star. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . See also images taken on November 22nd . Image taken by Andy McCrea who says, . To me the comet appears yellowish and it has gone from star-like to a . ... More images from Andy McCrea here . ... The true explanation is that a very faint comet, known as periodic comet Holmes, produced a massive outburst of material and became a million times brighter than it was just a day earlier. ... More images from Andy McCrea . ...

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M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

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... 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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... The explosion of a star as a Supernova is certainly one of the most energetic events observable in the whole universe, and their radiation covers the whole band from radio to gamma-rays, accompanied with neutrino emission. ... Type Ia SNe are supposed to result from mass transfer inside a binary system consisting of a white dwarf star and an evolving giant star, which results in a termonuclear explosion. ... Core-collapse Supernovae . ... For comments please contact: gcresci@arcetri.astro.it . ...

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A team of U.S. and German astrophysicists have made the first ever detection of X-rays coming from a comet. ... Following the initial detection, the team reported repeated X-ray emissions from the comet over the next 24 hours. ... One preliminary theory is that X-ray emission from the Sun was absorbed by a cloud of gaseous water molecules surrounding the nucleus of the comet, and then were re-emitted by the molecules in a process physicists call "fluorescence." ... Comets . ...

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... The Sun . Does anyone know how many stars are there in the solar system? Come take a look at the Sun. See that? ... Did you know all the stars you see when you look up are inside our galaxy! ... Did you know that our Sun and solar system were born in a cloud of gas and dust like this. ... We're looking at a place where stars are being born. ... Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

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... To be read in conjunction with Section 4.11 of the WFPC2 Instrument Handbook , -Version 4.0. ... 1 The second study found evidence that CTE loss for faint stars has increased with time (Whitmore, 1998). The primary observational consequence of CTE loss is that a point source at the top of the chip appears to be fainter than if observed at the bottom of the chip, due to the loss of electrons as the star is read out down the chip (see Figure 1 ). ... Last updated: 06/16/98 10:38:00 . ...

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Astronomy Discussion Forums . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... New Model: How Do The Sun And Moon Appear To Move Across The Sky . ... Post Message | ... focused on the Sun and the Moon as they appear from the given location of the Earth surface: . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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... This project is lead by Dr Brian Schmidt and aims to measure the ultimate fate of the Universe: Will the Universe expand forever, or will gravity eventually halt its expansion, and send it crashing into the "gnaB giB" the "Big Bang" in reverse? ... Measuring distances in the Universe is extremely difficult, but by comparing the relative brightnesses of SN Ia, it is possible to measure a distance to a single object with a precision of about 7%. ... SN 1997ck, the most distant star yet discovered . ...

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... V838 Mon is a member of a new class of eruptive variables which appear as a peculiar novae having late K-M type spectra in their outburst. Before its outburst, it was a wide binary system of B3V type stars. ... The B3V companion was seen in the outburst in the UV spectrum taken with HST (Rauch et al., ... In the latest spectra, the light of B3V companion was predominating in the short-wave photometric bands. ... CCD blue frames of V838 Mon before the eclipse (left) and in the eclipse (right). ...

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• A fork() Primer

... Tonight's Sky . ... News . ... Sky this Month . ... Star Atlas . ... Supernova showered Earth with radioactive debris . ... galaxies . stars . ... Bright new supernova blows up in the Cigar Galaxy (M82) . ... Before and after photos of the galaxy M82 showing the appearance of a brand new 11.7 magnitude supernova. ... The new supernova lies in M82, a starburst galaxy located within the constellation Ursa Major. ... M82 is a bright, striking edge-on spiral galaxy bright enough to see in binoculars. ...

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Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

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