Notable satellite observatories
- Notable satellite observatories
-
Notable satellite observatories
name nationality years in
service discoveries/
notable features
Radio (wavelengths less than 0.1 cm)
VLBI Space Observatory Programme (VSOP) Japan 1997–2005 joined with radio telescopes (
telescope) on Earth to form an array 33,000 km across
Infrared (wavelengths between 0.1 cm and 7 × 10−5 cm)
Netherlands 1983 first space observatory to map the entire sky at infrared wavelengths
Optical (wavelengths between 4 × 10−5 and 7 × 10−5 cm)
Hipparcos ESA* 1989–93 measured the distances to more than 100,000 stars (
star)
Hubble Space Telescope (
HST) (
Hubble Space Telescope) U.S./ESA 1990– accurately determined the rate of the universe's expansion
Ultraviolet (wavelengths between 4 × 10−5 and 10−8 cm)
X-ray (wavelengths between 10−8 and 10−11 cm)
Röntgensatellit (ROSAT) Germany 1990–99 surveyed the entire sky
Gamma-ray (wavelengths less than 10−11 cm)
Swift U.S. 2004– studied hundreds of gamma-ray bursts
See as table:
* * *
Universalium.
2010.
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