List of Space Telescopes - Radio

Radio

Further information: Radio astronomy and Very Long Baseline Interferometry

As the atmosphere is transparent for radio waves, radio telescopes in space are of most use for Very Long Baseline Interferometry; doing simultaneous observations of a source with both a satellite and a ground-based telescope and by correlating their signals to simulate a radio telescope the size of the separation between the two telescopes. Observations can be of supernova remnants, masers, gravitational lenses, starburst galaxies, and many other things.

Name Space Agency Launch Date Terminated Location Ref(s)
Highly Advanced Laboratory for Communications and Astronomy (HALCA, or VSOP) ISAS 12 February 1997 30 November 2005 Earth orbit (560–21,400 km)
RadioAstron ASC LPI May 2011 — Earth orbit (10,000–390,000 km)

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