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Ray of Light
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#	Item
281	Chandra X-Ray Observatory Variable Stars Stars appear to shine with a constant light; however, thousands of stars vary in brightness. The brightness that a star appears to have (apparent magnitude) from our perspective Add to Reading List Source URL: xrtpub.harvard.edu Language: English - Date: 2009-04-07 11:14:58 Variable star Apparent magnitude Cosmic distance ladder Star Magnitude Absolute magnitude Mira RV Tauri variable Astronomy Observational astronomy Space
282	XMM-Newton Observation of Solar Wind Charge Exchange Emission S. L. Snowden1,2 arXiv:astro-ph[removed]v1 19 Apr 2004 Add to Reading List Source URL: image.gsfc.nasa.gov Language: English - Date: 2004-07-23 10:00:00 Physics Astrophysics X-ray telescopes Light sources Space telescopes X-ray astronomy Solar cycle Solar wind Corona Plasma physics Astronomy Space plasmas
283	Chandra X-Ray Observatory X-Ray Astronomy Field Guide X-Ray Background/Deep Fields Before Chandra, when X-ray telescopes observed the sky it is not dark between points of light. Rather, a uniform background glow was app Add to Reading List Source URL: www.chandra.harvard.edu Language: English - Date: 2008-01-29 13:13:36 Plasma physics X-ray telescopes Quasar Radio astronomy X-ray astronomy Chandra X-ray Observatory Active galactic nucleus Hubble Deep Field Supermassive black hole Astronomy Space Galaxies
284	THE CRAB – an image in visible light taken by the Hubble Space Telescope. The Crab Nebula is the remnant of a supernova explosion which was visible from Earth in the year[removed]Originally called a nova because it seeme Add to Reading List Source URL: chandra.harvard.edu Language: English - Date: 2012-02-17 14:00:50 Supernova remnants Star types Messier objects Light sources Crab Nebula Neutron star Supernova Pulsar X-ray astronomy Astronomy Space NGC objects
285	Minutes of NSLS UEC Meeting December 14, 2008 Add to Reading List Source URL: www.nslsuec.org Language: English - Date: 2014-04-11 00:11:23 X-rays Brookhaven National Laboratory National Synchrotron Light Source II Small-angle X-ray scattering Beamline Grazing-incidence small-angle scattering National Synchrotron Light Source Physics Electromagnetic radiation Scientific method
286	KINDS OF LIGHT Almost everything we know about the universe is from the light our telescopes detect. When we think of light we think of sunshine or the colors of the rainbow, but colors, like sounds, are limited by the r Add to Reading List Source URL: chandra.harvard.edu Language: English - Date: 2012-02-17 14:00:51 Radiation Plasma physics Light sources Nuclear physics Gamma ray Microwave Infrared Light X-ray Electromagnetic radiation Physics Electromagnetic spectrum
287	An Information and Activity Booklet Grades 9-12 October 1998 A product of the Rossi X-ray Timing Explorer Learning Center http://rxte.gsfc.nasa.gov/docs/xte/learning_center/ Add to Reading List Source URL: heasarc.gsfc.nasa.gov Language: English - Date: 2011-12-08 14:53:30 Observational astronomy Plasma physics Radiation Nuclear physics X-ray astronomy X-ray Gamma ray Infrared Light Physics Electromagnetic radiation Electromagnetic spectrum
288	ACTIVITY 1-1 Scientific Notation and The Speed of Light Radio waves, like all electromagnetic waves, travel at the speed of light – [removed]meters per second (3 hundred million meters per second). The speed of Add to Reading List Source URL: radiojove.gsfc.nasa.gov Language: English - Date: 2007-06-12 11:21:42 Special relativity Speed of light Wave Mars program Sun Jupiter X-ray astronomy Gravitational wave Physics Plasma physics Light
289	Chandra X-Ray Observatory Variable Stars Stars appear to shine with a constant light; however, thousands of stars vary in brightness. The brightness that a star appears to have (apparent magnitude) from our perspective Add to Reading List Source URL: xrtpub.harvard.edu Language: English - Date: 2009-04-07 11:06:46 Universe Variable stars Observational astronomy Star types SS Cygni Apparent magnitude Star Magnitude American Association of Variable Star Observers Astronomy Cygnus constellation Space
290	2013 SAO Summer Intern Project Abstracts The Brightest AGN: Characterizing their Hot Gas Environments and the Accretion of Cooling Gas onto their SMBHs Michael Calzadilla1 C. Jones2 , F. Andrade-Santos2 , D. A. Evans3 , Add to Reading List Source URL: hea-www.harvard.edu Language: English - Date: 2014-01-09 09:59:38 Space plasmas Plasma physics Large-scale structure of the cosmos Light sources Supernovae Galaxy groups and clusters Gamma-ray burst Solar flare Harvard–Smithsonian Center for Astrophysics Physics Astronomy Astrophysics

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