astronomical : Idioms & Phrases
Index
Astronomical clock
- . See under
Clock .
Webster 1913
Astronomical day
- . See under
Day .
Webster 1913
Astronomical fractions , Astronomical numbers
- . See under
Sexagesimal .
Webster 1913
astronomical telescope
-
noun any telescope designed to collect and record electromagnetic radiation from cosmic sources
WordNet
astronomical unit
-
noun a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)
AU.
WordNet
astronomical year
-
noun the time for the earth to make one revolution around the sun, measured between two vernal equinoxes
tropical year; equinoctial year; solar year.
WordNet
Lunar astronomical year
- the period of 12 lunar synodical months, or 354 days, 8 hours, 48 minutes, 36 seconds.
