... Too Close to a Black Hole . ... 7.12.2010 . ... Credit Copyright: Alain Riazuelo Explanation: What would you see if you went right up to a black hole? ... Near the black hole , you can see the whole sky - light from every direction is bent around and comes back to you. ... 2009 2010 . ... Publications with keywords: black hole - gravitational lens . Publications with words: black hole - gravitational lens . ... Abell 2218: A Galaxy Cluster Lens . ... Abell 370: Galaxy Cluster Gravitational Lens . ...

Еще в разделе: (Показать все результаты (>169620) - www.astronet.ru/ )

• Астронет > Too Close to a Black Hole

... 2000 December 10 . Too Close to a Black Hole . ... Explanation: What would you see if you went right up to a black hole ? ... On the right is the same star field but this time with a black hole superposed in the center of the frame. The black hole has such strong gravity that light is noticeably bent towards it - causing some very unusual visual distortions . In the distorted frame, every star in the normal frame has at least two bright images - one on each side of the black hole . ...

Еще в разделе: (Показать все результаты (>8575) - www.sai.msu.su/ )

• APOD: 2010 December 7 - Too Close to a Black Hole
• APOD: November 27, 1995 - Too Close to a Black Hole
• APOD: 2002 September 8 - Too Close to a Black Hole

Black Holes . Artist's conception of black hole GRO J1655-40. There is a flash of light because scientists think that the black hole is spinning. ... An artist's diagram of a black hole pulling matter from the normal star HDE 226868 . ... Two images of the same piece of sky, both contain the constellation Orion. The image on the contains a black hole in the center. In the constellation Orion, in the image on the right, the belt is distorted. ... Student home . Image Home . ...

Еще в разделе: (Показать все результаты (>2736) - hea-www.harvard.edu/ )

• dictionary

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

Еще в разделе: (Показать все результаты (>31) - uranus.sai.msu.ru/ )

... 2000, ApJ, 537, L49 . ... F. Palla . Invited Talk at the IAU Symposium 200 "The formation of binary stars" eds. R.D. Mathieu and H. Zinnecker (ASP Conf. Ser.) in press . Optical follow-up of ROSAT discovered candidate members of the open cluster Coma Berenices . ... 2000, A , in press . ... 2000, ApJ, in press . ... 2000, ApJ, in press (Sept. ... 2000, ApJ Lett., in press . ... Click to examine publications from other years . ... Star Formation Group . ... Arcetri Home Page . ...

Еще в разделе: (Показать все результаты (>7681) - www.arcetri.astro.it/ )

• APOD: December 13, 1997 - The Coma Cluster of Galaxies
• Hubble Finds A Bare Black Hole Pouring Out Light
• Hubble Uncovers Dust Disk Around a Massive Black Hole (STScI-PRC98-22) A

... We have measured this "redshift" for the pink black holes, and allowed for it in our calculations. ... We see this effect in the emission from gas around these pink black holes, but it is far too small an effect to account for the pinkness. Thus the swirling motions of gas around or into the black holes cannot produc the colour. ... At first we thought that these things were normal blue black holes hidden behind clouds of interstellar dust, that absorbed the blue light and made them appear pink. ...

Еще в разделе: (Показать все результаты (>868) - www.mso.anu.edu.au/ )

• IAU Commission #34 (Interstellar Matter)
• Julie Banfield | Astronomer
• GSAOI Open Cluster Science Page

... In most situations, light helps us to see. But when it comes to looking at the night sky, light actually blocks our vision. ... You should be able to see around 2,500 stars with your naked eyes, but if you live in a big city or town, you probably see less than 10 stars on a normal night! This amazing space picture shows the shining star clusters and swirls of colourful gases of the Carina Nebula: an enormous expanse of gas, dust and stars lying deep in the heart of the Milky Way. ...

Еще в разделе: (Показать все результаты (>67110) - www.eso.org/ )

• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• Simulation of gas cloud after close approach to the black hole at the centre of
• Anja Feldmeier-Krause

... 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. ...

Еще в разделе: (Показать все результаты (>490) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bad TV

This huge elliptical galaxy NGC 5128 (Centaurus A) is the closest such galaxy to Earth, at a distance of about 12 million light-years. Observations with ESO s Very Large Telescope in Chile have discovered a new class of dark globular star clusters around this galaxy. ... Normal globulars are marked in blue and globulars showing similar properties to dwarf galaxies are in green. The dark globulars appear very similar to other globulars around this galaxy but contain much more mass. ...

Еще в разделе: (Показать все результаты (>7119) - www.astronomy.com/ )

• Spectacularly bright object in Andromeda caused by "normal" black hole |
• If neutron stars don't produce energy from fusion, like normal stars, how can
• "Ordinary" black hole discovered 12 million light-years away | Astronomy.com

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

Еще в разделе: (Показать все результаты (>6851) - www.cosmos.ru/ )

... HUBBLE UNCOVERS DUST DISK AROUND A MASSIVE BLACK HOLE . Resembling a gigantic hubcap in space, a 3,700 light-year-diameter dust disk encircles a 300 million solar-mass black hole in the center of the elliptical galaxy NGC 7052. ... Because the jets in NGC 7052 are not perpendicular to the disk, it may indicate that the black hole and the dust disk in NGC 7052 do not have a common origin. ... NGC 7052 is located in the constellation of Vulpecula, 191 million light-years from Earth. ...

Еще в разделе: (Показать все результаты (>17166) - www.stsci.edu/ )

• Dust Around Stars
• Black Holes in Globular Clusters
• HST this week: 343

... The supermassive black hole, that wasn't . ... Supermassive black holes reside in the center of galaxies and occupy the same space as normal stars belonging to the central part of the galaxy. ... Through this process supermassive black holes often deplete the stellar content of galaxy cores. ... On the contrary, the excellent resolution of the Gemini data shows that the core of this galaxy has a light excess incompatible with the theory that it hosts a supermassive black hole. ... today * ATNF | ...

Еще в разделе: (Показать все результаты (>22094) - www.atnf.csiro.au/ )

• December 2013 ATUC meeting agenda and supporting documents
• ATNF Colloquium
• correlator:mpiscript [ATNF VLBI Wiki]

The radius of the event horizon of a black hole with the mass of the Sun would be about 3 kilometers, about the same size as your city, town or village. If the Earth could be compressed into a black hole, the radius of its event horizon would be 1/330,000 of this, because the mass of the Earth is 1/330,000 times the mass of the Sun. ... 30,000,000 . ... 20,000 . ... Black hole event horizon . ... MYTH: All stars collapse to become black holes upon their death. ... MYTH: Black holes are very dense. ...

Еще в разделе: (Показать все результаты (>1501) - www.astrosociety.org/ )

• ASP: Editorial: "Metric Matters": A Short Play
• ASP: Big Clusters, Tiny Galaxies
• ASP: Black Holes to Blackboards: Getting a Global Sense

.

Еще в разделе: (Показать все результаты (>401) - zebu.uoregon.edu/ )

• Astronomy HyperText Book: Stellar Clusters

... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

Еще в разделе: (Показать все результаты (>520) - www.mao.kiev.ua/ )

• MAO NASU :: Topic: The DRAGON globular cluster simulations: a million stars,
• Publications

The Arecibo Galaxy Environment Survey (normally known as AGES) is using the Arecibo Telescope to search for galaxies in a number of quite different areas of the local universe. ... NGC 628 group (precursor) - published (Auld et al., ... NGC 1156 (isolated galaxy) - published (Minchin et al, 2010, AJ, 140, 1093) . NGC 7332/9 galaxy pair - published (Minchin et al, 2010, AJ, 140, 1093) . ... NGC 5523 (isolated galaxy) - completed (contact: Robert Minchin) . ... AGES team page - password protected . ...

Еще в разделе: (Показать все результаты (>3919) - www.naic.edu/ )

• rcvr shutters
• New Results Confirm Dark Galaxy Existence
• cband stability with shutter closed

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Phase - polarization data (in R light) for the targets of the present investigation, compared with the polarization curves (in V light) of the (234) Barbara, and of (12) Victoria, a large L-class asteroid which does not exhibit the Barbarian behaviour. ... We found that seven of them exhibit the peculiar Barbarian polarization signature, and we conclude that the Watsonia family is a repository of Barbarian asteroids. ...

Еще в разделе: (Показать все результаты (>5141) - star.arm.ac.uk/ )

• Black Holes
• Stars Beyond Maturity
• Latest News

... 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). ...

Еще в разделе: (Показать все результаты (>2376) - www.jsc.nasa.gov/ )

• Astronaut Bio: Robert Curbeam (12/2007)

... Armagh Planetarium . ... Universe . ... Posted on October 1, 2010 | ... Before the modern era of technological astronomy, to know anything [ ] . Continue Reading.. ... 2 Comments In, say 1975, there was only one kind of ?stuff? in the Universe, matter made of protons and neutrons. ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

Еще в разделе: (Показать все результаты (>2806) - www.armaghplanet.com/ )

• HST | Astronotes - Part 4
• Hubble throws light on dark matter | Astronotes
• M55 globular cluster seen by ESO | Astronotes

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Black Matter . Forum List | ... Post Message | ... Black Matter is composed of all of the light emissions from all of the stars in the universe since stars were first formed, less that amount of light that has been absorbed into stars, planets etc. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Еще в разделе: (Показать все результаты (>791) - www.astronomy.net/ )

• Blackholes Discussion Forum - Hosted by The Astronomy Net
• Black Holes And Static Photon Packets - an Astronomy Net Blackholes Forum
• Use Light Radited From Stars Orbiting The Black Hole - an Astronomy Net