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321	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
322	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
323	Real Numbers and Operations[removed]Astronomical Unit = 1.0 AU = 1.49 x 108 kilometers 1 Parsec = 3.26 Light years = 3 x 1018 centimeters = 206,265 AU Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2012-12-17 11:08:54 Mass Tidal force Moon Volume Spaghettification Conversion of units Physics Measurement Dimensional analysis
324	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
325	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
326	Lunar Crater Frequency Distributions This image of the 800-meter x 480-meter region near the Apollo-11 landing pad (arrow) was taken by the Lunar Reconnaissance Orbiter (LRO). It reveals hundreds of craters covering the Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2009-12-29 12:30:02 Moon Moons Planemos Lunar Reconnaissance Orbiter Lunar craters Apollo Geology of the Moon Borealis quadrangle Spaceflight Spacecraft Exploration of the Moon
327	LRO Sees Apollo 11 on the Moon! The LRO satellite recently imaged the Apollo 11 landing area on the surface of the moon. The above (172 pixels wide x 171 pixels high) image shows this area and is 172 meters wide. Proble Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2009-07-19 07:59:14 Unmanned spacecraft Exploration of the Moon Image processing Japanese space program SELENE Pixel Spaceflight Space technology Moon
328	31 Black Holes….IV Thanks to two orbiting X-ray observatories, astronomers have the first strong evidence of a supermassive black hole ripping apart a star and consuming a portion of it. The event, Add to Reading List Source URL: spacemath.gsfc.nasa.gov Language: English - Date: 2008-02-15 11:24:32 Supermassive black holes Black holes Extragalactic astronomy Milky Way Galaxy Quasar Mass Galactic Center Stellar black hole Astronomy Physics Galaxies
329	Gamma-Ray Bursts A BRIEF HISTORY October 1963: The U.S. Air Force launches the first in a series of “Vela” satellites carrying X-ray, gamma-ray and neutron detectors in order to monitor any nuclear testing by the Add to Reading List Source URL: imagine.gsfc.nasa.gov Language: English - Date: 2014-04-04 15:50:27 Space telescopes Gamma-ray bursts X-ray telescopes Spaceflight Observational astronomy InterPlanetary Network GRB 011211 Compton Gamma Ray Observatory High Energy Transient Explorer Astronomy Spacecraft Space
330	PDF Document Add to Reading List Source URL: deepspace.jpl.nasa.gov Language: English - Date: 2014-12-17 23:46:26 Jet Propulsion Laboratory Deep Space Network Goddard Space Flight Center Tracking and Data Relay Satellite System Near Earth Network Space Network X band Advanced Multi-Mission Operations System Tracking and Data Relay Satellite NASA facilities NASA Spaceflight

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