Astronomy, Kinds Of - Research Article from Macmillan Science Library: Space Sciences

This encyclopedia article consists of approximately 6 pages of information about Astronomy, Kinds Of.
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The Study of Planets, Star Formation, and the Interstellar Medium

One of the most important developments in the first category over the past few years has been the detection of several planets orbiting other stars along

Approximate Wavelengths (m) Wavelengths Other Units Photon Energies Greater Than Frequency Name for Spectral Brand Produced by Temperatures in Region of (K) Examples of Astrophysical Objects of Interest Examples of Present/Planned Telescopes to Use for Observations
10-13 80.6MeV Gamma-ray 108 Cosmic rays, Space only: CGRO (1991-
10-12 80.6MeV gamma-ray 2000), INTEGRAL (2002-),
10-11 0.8MeV bursters, nuclear GLAST (2005-)
processes
10-10 1Å, 0.1nm 80.6keV Hard X-ray 107 Accretion disks in
10-9 10Å, 1nm 8.06keV binaries, black holes,
hot gas in galaxy
clusters, Seyfert Space only: ROSAT (1990-1999),
galaxies ASCA (1993-), Chandra (1999-),
XMM (2000-)
10-8 100Å, 10nm 0.806keV Soft X-ray 106 Supernovae remnants,
neutron stars, X-ray
stars, superbubbles
10-7 1000Å, 100nm 80eV XUV/EUV Far...

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This section contains 1,602 words
(approx. 6 pages at 300 words per page)
Buy the Astronomy, Kinds Of Encyclopedia Article
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Macmillan Science Library: Space Sciences
Astronomy, Kinds Of from Macmillan Science Library: Space Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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