\ɐtˈɒpɑːsˌɛk], \ɐtˈɒpɑːsˌɛk], \ɐ_t_ˈɒ_p_ɑː_s_ˌɛ_k]\
Definitions of ATTOPARSEC
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About 31 mm (one inch). "atto-" is thestandard SI prefix for multiplication by 10^-18. A parsec(parallax-second) is 3.26 light-years; an attoparsec is thus3.26 * 10^-18 light years. Thus, one attoparsec permicrofortnight is about one inch per second.This unit is reported to be in use (though probably not veryseriously) among hackers in the UK.
By Denis Howe
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- city in southeastern Congo near the border with Zambia; a copper mining center; former name (until 1966) was Elisabethville