Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sci...250.1365b&link_type=abstract
Science (ISSN 0036-8075), vol. 250, Dec. 7, 1990, p. 1365-1370. Research supported by NASA and NSF.
Astronomy and Astrophysics
Astrophysics
4
Astronomical Observatories, Lunar Bases, Lunar Surface, Very Large Array (Vla), Angular Resolution, Astrophysics, Interferometers, Radio Astronomy
Scientific paper
Preliminary studies have been conducted for the concept of a lunar base supporting astronomical instruments of power comparable to the VLA, giving attention to aperture-synthesis arrays which could improve angular resolution to the level of a few microarcsec. The only conceivable mode of catastrophic instrument failure envisioned would be a meteorite strike, although the probability for this is small and comparable to that encountered in orbital instruments. Nevertheless, lunar dust may pose problems, lunar soil may be inadequate for support of instrument structures, moonquakes may disturb instruments, gravitational deflection may distort them, and heat radiation and scattered light may exert troublesome influences on observations. Representative parameters for a specific system are presented.
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