161. Do Black Holes Exist...? Science popularization article on black holes. http://i.1asphost.com/pgostrov/e3.html

Do black holes exist...? The term ``black hole'' was coined by the astrophysicist John Wheeler in 1969 to describe a kind of astrophysical object. Since then, the expression has been used very often as a metaphor, usually inappropriately. These enigmatic objects have also become stars of science fiction literature, doubtless due to their suggestive names and their peculiar properties. For those are curious about this issue, they have probably run across mysterious funnels, time tunnels and other aberrations. Many so called science popularizing works, resemble fantastic stories, more than essays to explain what is basically a simple concept. But what are in the end, these dark portents of the heavens? Do they really exist? To try to clean the name of this creature a little bit, let's start by clarifying that the concept of black hole (but not its overused name) was first coined by the English physicist John Mitchell in 1783, more than two hundred years ago...! It can be said that towards the end of the seventeenth century, Isaac Newton brought sky and Earth together. Based on planet movement studies made by Tycho Brahe and Johannes Kepler, he deduced the existence of a force that made the Sun, the Earth, the Moon and everything contained in the cosmos attract towards one another. The same law that make planets move as they do, make us keep our feet on the ground, stopping us from being ejected to space.

162. Movies From The Edge Virtual reality and informational movies on black holes. This site is associated with the National Center for Supercomputing Applications(NCSA), and is for students in middle school and above. http://archive.ncsa.uiuc.edu/Cyberia/NumRel/MoviesEdge.html

Back 1 Back 2 Up Map ... Expo Home Movies from the Edge of Spacetime Preliminaries Welcome to our Virtual Theater. Here you can view movies and images "on-demand" and peer into the mathematical mysteries of Einstein's Universe. The imagery depicts the dynamic behavior of black holes and gravitational waves , as simulated on powerful supercomputers and visualized using the latest computer graphics tools and techniques. Ed Seidel, NCSA, on-camera QuickTime Movie (1.3 MB); Sound File Text Larry Smarr , NCSA, on-camera QuickTime Movie (2.8 MB); Sound File (1.5 MB); Text Before plunging into all this imagery , we urge you to check out the " Technical Corner and " Navigation Tips in the Information Center. Doing so could save you a lot of frustration. Remember, be patient when downloading. Stay cool! Our Feature Presentations. Select and Enjoy! Schwarzschild Wormhole QuickTime (1.3 MB); MPEG (1.3 MB); Thumbnail Text Single, Non-rotating, Distorted Black Hole 1. Low amplitude disturbance: color mapping QuickTime (2.7 MB); MPEG Sound (1.4 MB); Thumbnail Text 2. Low amplitude disturbance: gravitational waves

163. Gamma Ray Astrophysics At The NSSTC The primary objectives of the research are to study pulsars, black holes, other galaxies, gammaray bursts, and other exotic astrophysical objects. http://gammaray.msfc.nasa.gov

The Gamma-Ray Astronomy Team Home Page gammaray.nsstc.nasa.gov BATSE GLAST Burst Monitor Personnel Local ... NASA Home The Gamma-Ray Astrophysics Team of the National Space Science and Technology Center welcomes you to its home page. Our group includes scientists and engineers from NASA's Marshall Space Flight Center, Universities Space Research Association (USRA) and the University of Alabama in Huntsville (UAH). We are actively involved in several projects which are designed to investigate the high energy regime of our Solar System and Universe. The primary objectives of our research are to study gamma-ray phenomena such as pulsars black holes other galaxies gamma-ray bursts , and other exotic astrophysical objects. Current Projects The Compton Gamma Ray Observatory, about to be released from Space Shuttle Atlantis in 1991 April. The eight BATSE detector modules are mounted on the corners of the satellite. Four are visible in the image. T he Burst and Transient Source Experiment. During 9 years of successful operation, the BATSE detectors on the Compton Gamma-Ray Observatory (CGRO) continually recorded observations of gamma-ray bursts, pulsars, and other transient gamma-ray phenomena. Although the CGRO mission was terminated by NASA in June 2000, new science from BATSE and complete data archiving projects continue to occupy members of the GRA team and provide services to the high-energy astrophysics community. The Principal Investigator of this project is

164. ESA - Science - Home - LISA Overview An ESA space mission to detect and observe gravitational waves from massive black holes and galactic binary stars in the frequency range 104 to 10-1 hz. Useful measurements in this frequency range cannot be made on the ground because of the unshieldable background of local gravitational noise. http://www.esa.int/science/lisa

ESA Home LISA overview Status In development Objective Detecting gravitational waves is the goal of ESA's future LISA mission. LISA will search for gravitational radiation from astronomical sources, testing the fundamental theories of gravitation. Bookmark this page as: For more in-depth scientific and technical details of our Space Science Programme and missions, follow this link. LISA in depth Contents Mission What's special? Spacecraft Journey ... Partnerships Space Science About Space Science ESA's 'Cosmic Vision' Multimedia Science images Science videos Animations Downloads ... Sounds from space Media centre Press Releases Press kits ESA Television Resources Reference section Glossary FAQs Science missions BepiColombo Cassini-Huygens Cluster Corot ... JWST LISA Mars Express Planck Rosetta SMART-1 ... XMM-Newton Services Help Comments Subscribe Search All Space Science Advanced Search LISA (Laser Interferometer Space Antenna) line drawing Mission The Laser Interferometer Space Antenna (LISA) is a joint mission with NASA. It is a three-spacecraft mission, designed to detect the 'ripples' in space given out when very massive objects undergo strong acceleration. For example, they are produced when a black hole swallows a massive neutron star. Such ripples are called 'gravitational waves' and LISA will be the first mission to try and detect them from space. To achieve that goal, the relative position of several solid blocks placed in different spacecraft, 5 million kilometres apart, will have to be constantly monitored with high accuracy using laser-based techniques. A gravitational wave passing through the spacecraft will change the separations between them, thereby revealing itself.

165. Black Creek Golf Club With 18 holes, each 9 offering a different golfing look, located in Ellaville, Georgia. http://www.blackcreek.com/

Black Creek Golf Club Skip Intro

166. CNN.com - Black Hole Outburst Looks 'faster Than Light' - Oct. 3, 2002 CNN http://cnn.com/2002/TECH/space/10/03/black.holes/index.html

CNN Europe CNN Asia Languages Spanish Portuguese German Italian Korean Arabic Japanese On CNN TV Transcripts Headline News CNN International ... Special Reports SERVICES Video E-mail Newsletters CNNtoGO SEARCH Web CNN.com Black hole outburst looks 'faster than light' By Richard Stenger (CNN) Frame from time-lapse Chandra movie of black hole XTE J1550-564, center, with an approaching jet, left, and a receding jet, right Story Tools CHANDRA MOVIE Watch the black hole jets evolve over four years (CNN) Resembling cannon shots from a ship at night, one toward shore and the other away, two X-ray jets streaming from a black hole have been observed during their entire trajectories for the first time. The milestone, accomplished with one of the most powerful space telescopes, could help explain the behavior of a variety of mysterious objects that populate the universe. The Chandra X-ray Observatory captured the evolution of the cosmic jets, which spurt from everything from dense stars to black holes to active galactic cores. "For the first time, we have observed a jet from the initial explosion until it slowed and faded," said John Tomsick of the University of California, San Diego, one of several scientists who announced the findings Thursday.

167. CNN.com - Is Black Hole Theory Full Of Hot Air? - January 21, 2002 CNN http://cnn.com/2002/TECH/space/01/21/black.holes/index.html

MAIN PAGE WORLD U.S. WEATHER ... ABOUT US/HELP CNN TV what's on show transcripts CNN Headline News CNN International ... askCNN EDITIONS CNN.com Asia CNN.com Europe CNNenEspanol.com CNNArabic.com ... set your edition Languages Spanish Portuguese German Italian Korean Arabic Japanese Time, Inc. Time.com People Fortune EW InStyle Business 2.0 Is black hole theory full of hot air? Black hole or gravastar? By Richard Stenger CNN Sci-Tech (CNN) Arguing that black holes are riddled with contradictions, astronomers have devised what they consider a more plausible destiny for imploding stars. Taking into account quantum physics, two U.S scientist suggest that giant dying stars transform themselves into what they call gravastars, shells of extremely dense matter with exotic space inside. The hypotheses could address some perplexing anomalies in black holes, while at the same time account for indirect observations that seem to support their existence, the astronomers say. According to conventional theory, some giant stars near the end of their lives explode into supernovas, leaving behind cores so dense that they collapse into a "singularity," or point of infinite density, otherwise known as a black hole. The dark monster would possess an "event horizon," or boundary beyond which time ceases and neither light nor matter escapes. Inside, the laws of known physics break down.

168. CNN.com - Space - Hubble Spies Black Hole Blowing Bubbles - June 5, 2000 CNN http://cnn.com/2000/TECH/space/06/05/hubble.black.holes/index.html

space Editions myCNN Video ... Feedback CNN Sites CNN CNN Europe CNNfn CNNSI myCNN CNNfyi AllPolitics Languages Search CNN.com CNNSI.com CNNfn.com The Web SPACE TOP STORIES Mir cargo vessel abandoned John Zarrella: Lessons learned from Challenger Last rendezvous for Mir Beginning of the end for Mir ... MORE TOP STORIES Bush signs order opening 'faith-based' charity office for business Rescues continue 4 days after devastating India earthquake DaimlerChrysler employees join rapidly swelling ranks of laid-off U.S. workers Disney's GO.com is a goner ... MORE MARKETS 4:30pm ET, 4/16 DJIA NAS SPORTS Jordan says farewell for the third time ... LOCAL EDITIONS: CNN.com Europe change default edition MULTIMEDIA: video video archive audio multimedia showcase ... more services E-MAIL: Subscribe to one of our news e-mail lists Enter your address: DISCUSSION: chat feedback CNN WEB SITES: CNNfyi.com CNN.com Europe AsiaNow Spanish ... Korean Headlines TIME INC. SITES: Go To ... Time.com People Money Fortune EW CNN NETWORKS: CNN anchors transcripts Turner distribution SITE INFO: help contents search ad info ... jobs WEB SERVICES: Hubble spies black hole blowing bubbles Click on each image for larger views of the bubble-blowing black hole, located in the lower left corner of the top image. The second image shows a close-up of the black hole's effects

169. Anatomy Of A Black Hole By definition a black hole is a region where matter collapses to infinite At the center of a black hole lies the singularity, where matter is crushed to http://archive.ncsa.uiuc.edu/Cyberia/NumRel/BlackHoleAnat.html

Forward Back Up Map ... Information Anatomy of a Black Hole By definition a black hole is a region where matter collapses to infinite density, and where, as a result, the curvature of spacetime is extreme. Moreover, the intense gravitational field of the black hole prevents any light or other electromagnetic radiation from escaping. But where lies the "point of no return" at which any matter or energy is doomed to disappear from the visible universe? The Event Horizon Applying the Einstein Field Equations to collapsing stars, German astrophysicist Kurt Schwarzschild deduced the critical radius for a given mass at which matter would collapse into an infinitely dense state known as a singularity. For a black hole whose mass equals 10 suns, this radius is about 30 kilometers or 19 miles, which translates into a critical circumference of 189 kilometers or 118 miles. Schwarzschild Black Hole If you envision the simplest three-dimensional geometry for a black hole, that is a sphere (known as a Schwarzschild black hole), the black hole's surface is known as the event horizon . Behind this horizon, the inward pull of gravity is overwhelming and no information about the black hole's interior can escape to the outer universe.

170. Falling Into A Black Hole Fall into a black hole on a real free fall orbit. All distortions of images are real, both general relativistic from the gravitational bending of light, http://casa.colorado.edu/~ajsh/schw.shtml

Falling Into a Black Hole In which we fall into a black hole on a real free fall orbit. All distortions of images are real, both general relativistic from the gravitational bending of light, and special relativistic from the near light speed orbit. The black hole belongs to a quadruple stellar system, a binary binary. The system is fictional, but plausible. After you are done dying at the central singularity of the black hole, feel free to explore more about the Schwarzschild geometry, about wormholes, about the collapse of a black hole, and about Hawking radiation. . These pages last modified 19 Apr 2001. The URL of this site is http://casa.colorado.edu/~ajsh/schw.shtml Here's the Movie Index . For what's see site history Movie preview Approaching the black hole (89K GIF movie) Firing a probe while orbiting the black hole (95K GIF movie) Falling to the singularity (217K GIF movie) Clicking on the text link gives you the movie in normal size. Clicking on the image gives you a double-size version of the same movie (same resolution, same number of K, just twice as big on the screen). For explanations of these movies, and more, advance

171. Ted Bunn S Black Hole FAQ Page Has Moved. Go Here. Thanks And Enjoy! Ted Bunn s black Hole FAQ page has moved. Go here. Thanks and enjoy! http://physics7.berkeley.edu/BHfaq.html

Ted Bunn's Black Hole FAQ page has moved. Go here Thanks and enjoy!

172. BBC NEWS | Science/Nature | Lab Fireball 'may Be Black Hole' A fireball created in a US particle accelerator is strikingly similar to a black hole, a physicist has claimed. http://news.bbc.co.uk/1/hi/sci/tech/4357613.stm

Home TV Radio Talk ... Newswatch Last Updated: Thursday, 17 March, 2005, 11:30 GMT E-mail this to a friend Printable version Lab fireball 'may be black hole' Creating the conditions for the formation of black holes is one of the aims of particle physics A fireball created in a US particle accelerator has the characteristics of a black hole, a physicist has said. It was generated at the Relativistic Heavy Ion Collider (RHIC) in New York, US, which smashes beams of gold nuclei together at near light speeds. Horatiu Nastase says his calculations show that the core of the fireball has a striking similarity to a black hole. His work has been published on the pre-print website arxiv.org and is reported in New Scientist magazine. When the gold nuclei smash into each other they are broken down into particles called quarks and gluons. These form a ball of plasma about 300 times hotter than the surface of the Sun. This fireball, which lasts just 10 million, billion, billionths of a second, can be detected because it absorbs jets of particles produced by the beam collisions. But Nastase, of Brown University in Providence, Rhode Island, says there is something unusual about it.

173. SPACE.com -- Creation Of Black Hole Detected A faint visiblelight flash likely heralds the merger of two dense neutron stars to create a relatively low-mass black hole. http://www.space.com/scienceastronomy/050509_blackhole_birth.html

advertisement An artist's impression of merging neutron stars, one of the theoretical progenitors of gamma-ray bursts and the birth of a black hole. Credit: NASA, Sonoma State University, Aurore Simonnet Starry Night ™ Pro version 5.0 Escape the Milky Way. Pilot your own spaceship to explore 700 million light years of space. Dive into the Universe! Creation of Black Hole Detected By Robert Roy Britt Senior Science Writer posted: 09 May 2005 12:52 pm ET Astronomers photographed a cosmic event this morning which they believe is the birth of a black hole, SPACE.com has learned. A faint visible-light flash moments after a high-energy gamma-ray burst likely heralds the merger of two dense neutron stars to create a relatively low-mass black hole, said Neil Gehrels of NASA's Goddard Space Flight Center. It is the first time an optical counterpart to a very short-duration gamma-ray burst has ever been detected. Gamma rays are the most energetic form of radiation on the electromagnetic spectrum, which also includes X-rays, light and radio waves. The merger occurred 2.2 billion light-years away, so it actually took place 2.2 billion years ago and the light just reached Earth this morning.

174. Submitting To The Black Hole black hole in NGC4261. While many Science Fiction/Fantasy/Horror magazine and book publishers respond to submissions in a timely manner, many don t; http://critters.critique.org/blackholes/

Submitting to the Black Hole While many Science Fiction/Fantasy/Horror magazine and book publishers respond to submissions in a timely manner, many don't; and sometimes their response times are at odds with those stated in their guidelines. Which is to say, when writers submit a manuscript to an editor, they often feel like they've launched it toward a black hole. These pages are an attempt to locate verifiable response time data as well as "horror stories" for markets that have kept (or are keeping) manuscripts far longer than one might consider reasonable. (Credit the idea to Sharon Lee, former President of SFWA Authors are encouraged to drop by to get a handle on how long to expect a manuscript will be at a given market (and, perhaps, get a sense of when to query ). There is also some hope that this public knowledge will encourage editors to speed up their responsiveness, or at least alter their guidelines to match their reality. Authors are also asked nay, begged to report their own response times. This helps everyone. (Note that only paying markets are tracked.) Remember, you may have to reload this page if you've already looked at it. (Last update: Sun Sep 18 21:04:17 MDT 2005; data range from 1/1/2004 to present.)

175. Black Hole Candidates black Hole Candidates. LMC X3 Cygnus X-1 Nova Muscae 1991 V616 Mon SS 433 GRS 1915+105 GRO J1655-40 V404 Cygni. http://astrosun.tn.cornell.edu/courses/astro201/bh_candidates.htm

Black Hole Candidates LMC X-3 Cygnus X-1 Nova Muscae 1991 V616 Mon ... V404 Cygni

176. Black Hole Thermodynamics An simple introduction to black hole thermodynamics. http://www.upscale.utoronto.ca/GeneralInterest/Harrison/BlackHoleThermo/BlackHol

Black Hole Thermodynamics Click here to go to the JPU200Y home page. Click here to go to the Physics Virtual Bookshelf Click here to go to the UPSCALE home page. Author This document was written by David M. Harrison, Department of Physics, University of Toronto, mailto:harrison@physics.utoronto.ca. in November, 1999. This is version 1.9, date (m/d/y) 04/10/02. This material may be distributed only subject to the terms and conditions set forth in the Open Content License, v1.0 or later (the latest version is presently available at http://opencontent.org/opl.shtml Introduction: "Time and space are modes in which we think and not conditions in which we live." Einstein "Space is the order of coexistence, and time is the order of succession of phenomena." Leibniz "For the sage, time is only of significance in that within it the steps of becoming can unfold in clearest sequence." I Ching Background Information One of the features of Hawking and Bekenstein's development of black hole thermodynamics is that it ties many many pieces of physics together. Among those pieces are: The realisation from Quantum Mechanics that we can think of all matter-energy as waves. A document on this appears

177. Www.KidsAstronomy.com-Black Hole What is a black hole made of? Find out. A black hole is similar to a vacuum cleaner, cleaning up debries left behind in outer space. http://www.kidsastronomy.com/black_hole.htm

The Universe Solar System Black Holes Galaxies ... Quasars What are black holes? Have you ever had to vacuum your bed room? When you do, watch closely because you will see the dirt, and crumbs start to move towards the vacuum cleaner. A black hole is similar to a vacuum cleaner, cleaning up debries left behind in outer space. It is not suction power that makes things fall into a black hole. Suction would not be strong enough. Instead a black hole uses the power of gravity to pull things towards it. How do black holes form? When a large star runs out of fuel it can no longer support its heavy weight. The pressure from the star's massive layers of hydrogen press down forcing the star to get smaller and smaller and smaller. Eventually the star will get even smaller than an atom. Imagine that for a moment an entire star squashed up into less space than a tiny atom. How can something get smaller, but retain the same amount of mass, or stuff?

178. Black Hole. The Columbia Encyclopedia, Sixth Edition. 2001-05 black hole. The Columbia Encyclopedia, Sixth Edition. 200105. http://www.bartleby.com/65/bl/blackhol.html

Select Search All Bartleby.com All Reference Columbia Encyclopedia World History Encyclopedia Cultural Literacy World Factbook Columbia Gazetteer American Heritage Coll. Dictionary Roget's Thesauri Roget's II: Thesaurus Roget's Int'l Thesaurus Quotations Bartlett's Quotations Columbia Quotations Simpson's Quotations Respectfully Quoted English Usage Modern Usage American English Fowler's King's English Strunk's Style Mencken's Language Cambridge History The King James Bible Oxford Shakespeare Gray's Anatomy Farmer's Cookbook Post's Etiquette Bulfinch's Mythology Frazer's Golden Bough All Verse Anthologies Dickinson, E. Eliot, T.S. Frost, R. Hopkins, G.M. Keats, J. Lawrence, D.H. Masters, E.L. Sandburg, C. Sassoon, S. Whitman, W. Wordsworth, W. Yeats, W.B. All Nonfiction Harvard Classics American Essays Einstein's Relativity Grant, U.S. Roosevelt, T. Wells's History Presidential Inaugurals All Fiction Shelf of Fiction Ghost Stories Short Stories Shaw, G.B. Stein, G. Stevenson, R.L. Wells, H.G. Reference Columbia Encyclopedia PREVIOUS NEXT ... BIBLIOGRAPHIC RECORD The Columbia Encyclopedia, Sixth Edition. black hole in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from escaping. The term was first used in reference to a star in the last phases of gravitational collapse (the final stage in the life history of certain stars; see

179. HubbleSite - Hubble Provides Multiple Views Of How To Feed A Black Hole - 5/14/1 Hubble Provides Multiple Views of How to Feed a black Hole at the nearest example of galactic cannibalism — a massive black hole hidden at the center of http://hubblesite.org/newscenter/newsdesk/archive/releases/1998/14/

news GALLERY DISCOVERIES FUN ... releases Hubble Provides Multiple Views of How to Feed a Black Hole View all images Astronomers have obtained an unprecedented look at the nearest example of galactic cannibalism — a massive black hole hidden at the center of a nearby giant galaxy that is feeding on a smaller galaxy in a spectacular collision. Such fireworks were common in the early universe, as galaxies formed and evolved, but are rare today. The Hubble telescope offers a stunning unprecedented close-up view of a turbulent firestorm of star birth along a nearly edge-on dust disk girdling Centaurus A, the nearest active galaxy to Earth. The picture at upper left shows the entire galaxy. The blue outline represents Hubble's field of view. The larger, central picture is Hubble's close-up view of the galaxy. Brilliant clusters of young blue stars lie along the edge of the dark dust lane. Outside the rift the sky is filled with the soft hazy glow of the galaxy's much older resident population of red giant and red dwarf stars. Read the full press release text Credit: E.J. Schreier (

180. Black Hole Projects Paul Vick on black Hole Projects 12/2/2004 437 AM Rob Caron s Blog NET a black hole project? 12/2/2004 300 PM Panopticon Central http://www.panopticoncentral.net/archive/2004/12/01/2598.aspx

Panopticon Central a blog on Visual Basic, .NET and other stuff Home Contact Syndication Login 341 Posts :: 19 Stories :: 1614 Comments :: 373 Trackbacks News The information in this weblog is provided "AS IS" with no warranties, and confers no rights. Article Categories Articles Personal FAQs VB FAQs Archives September, 2005 (15) August, 2005 (6) July, 2005 (8) June, 2005 (8) ... July, 2003 (21) Post Categories Blogging Microsoft Personal Technology ... Writing Microsoft Blogs Brad Abrams Chris Anderson Cyrus Najmabadi Dare Obasanjo ... VS Data Team Non-Technical Blogs The Perpetual Three-Dot Column Technical Blogs Cameron Beccario Carl Franklin Cory Smith Darren Neimke ... Scott Watermasysk VB Links Lang Spec v7.1 Lang Spec v8.0 (Beta2) VB Developer Center Black hole projects After hearing about a product named Netdoc from Scoble Steve Maine takes the opportunity to reminsce about a similarly code-named project at Microsoft (that has nothing to do with the new product). He says: I left Office just about the time that Netdocs really started going, but I do know a few people who invested quite a few years of their lives into it. I can't say that I know much more than Steve about it, but it did get me thinking about other "black hole projects" at Microsoft. There was one I was very close to earlier in my career that I managed not to get myself sucked into and several others that I just watched from afar. None I can really talk about since they never saw the light of day, but it did get me thinking about the peculiar traits of a black hole project. They seem to be:

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