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Black Star
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#	Item
191	Calculating Black Hole Power This image shows the large galaxy, NGC-6872, interacting with a smaller galaxy, IC-4970, located just above the center of NG[removed]These galaxies are located in the southern constellation Pa Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2009-12-15 11:33:34 Light sources Galaxies Black holes Supermassive black holes Stellar astronomy Quasar Star Accretion disc Solar luminosity Astronomy Physics Space
192	N-th Roots and Rational Exponents One of the most peculiar things about black holes is that, when you are close to one, time and space are badly distorted. Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2012-12-11 10:09:34 Dark matter Light sources Plasma physics Stellar astronomy Star types Black hole Star Cosmic distance ladder Luminosity Physics Astronomy Space
193	37 Black Hole Power…X Black holes are sometimes surrounded by a disk of orbiting matter. This disk is very hot. Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2008-02-16 14:45:52 Space Black holes Plasma physics Supermassive black holes Star types Stellar black hole Mass Sun Astrophysical X-ray source Physics Astronomy Galaxies
194	X-rays from Hot Gases Near the SN1979C Black Hole The Chandra X-Ray Observatory recently found evidence for an infant black hole in the nearby galaxy Messiar100. The black hole is thought to have been produced when a sta Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2010-12-21 09:58:08 Star types Supernova remnants Plasma physics Galaxies Black holes SN 1979C X-ray astronomy Chandra X-ray Observatory Supernova Astronomy Physics Space
195	7 Falling Into a Black Hole An object that falls into a black hole will cross the Event Horizon, and speed up as it gets closer. This is like Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2010-02-19 15:03:20 Introductory physics Exotic matter Neutron star Black hole Escape velocity Event horizon Binary star Neutron Kinetic energy Physics Star types Astrodynamics
196	8 Black Holes…Hot Stuff! The farther a particle falls towards a black hole, the faster it travels, and the more kinetic energy it Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2011-04-26 11:46:38 Light sources Heat transfer Thermodynamics Stellar astronomy Black hole Accretion disc X-ray Star Forms of energy Physics Astronomy Dark matter
197	Exploring Tidal Forces: Black Holes and Saturn’s Rings The gravitational force between two objects varies as the inverse-square of the distance between them. On the surface of Earth, we do not notice that the gravitati Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2013-01-07 12:49:24 Astrology Roche limit Tidal force Orbit Moon Mass Tide Black hole Star Physics Celestial mechanics Astronomy
198	Measuring the Speed of Gas Near a Black Hole NASA’s RXTE spacecraft recently recorded rhythmic x-ray flashes from the black hole candidate called IGR J17091[removed]The black hole is a member of a binary system that com Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2013-09-11 10:40:44 Star types Galaxies Space telescopes Black hole Dark matter Relativity Rossi X-ray Timing Explorer Binary star Event horizon Astronomy Space Physics
199	Black Hole…Fade-out! 38 As seen from a distance, not only does the passage of time slow down for someone falling into a Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2008-02-16 16:49:18 Galaxies Astrophysics Space Supermassive black holes Dark matter Star Luminosity Stellar black hole Event horizon Physics Astronomy Black holes
200	Estimating the Diameter of the SN1979C Black Hole The Chandra X-Ray Observatory recently confirmed the discovery of an infant black hole in the nearby galaxy Messiar-100. The product of the supernova of a star with a mas Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2010-11-16 14:30:44 Space Star types Light sources Galaxies General relativity Event horizon Supernova Star Chandra X-ray Observatory Astronomy Physics Black holes