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单词 Spitzer Space Telescope
释义
Spitzer Space Telescope

Astronomy
  • A NASA spacecraft for infrared astronomy, the last in the series of Great Observatories. It was launched in 2003 August under the name Space Infrared Telescope Facility but in 2003 December was renamed in honour of Lyman Spitzer Jr. It carries an infrared telescope with a 0.85-m mirror. The Infrared Array Camera, IRAC, images the sky between 3.6 and 8 μ‎m; the Infrared Spectrograph, IRS, takes spectra at 5–38 μ‎m; and the Multiband Imaging Photometer, MIPS, provides far-infrared imaging and photometry in the 24–160 μ‎m range. The Spitzer Space Telescope trails the Earth in its orbit, away from the heat radiated by our planet.

    http://www.spitzer.caltech.edu/ Official mission website.


Space Exploration
  • A NASA space observatory launched on 25 August 2003 and first named the Space Infrared Telescope Facility. A major step in its Origins Program, SST is a cryogenically cooled (using liquid helium) infrared observatory that can investigate both the Solar System and distant regions of the Universe. Offering an improved capability over existing observatories, it consists of an 85-cm telescope and three science instruments for imaging and spectroscopy. It has a projected lifespan of up to five years or more. The SST Science Center is located at the California Institute of Technology.

    http://spitzer.caltech.edu/ Documents the history, design, and results of the Spitzer Space Telescope. This large site has interesting tutorials, science and technology information, and a spacecraft image gallery.


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