the distance light travels in 24 hours
These were spread out over the area of a circle of nearly one light-day in diameter.
When the Universe Shrank in Amazing Stories Nov. 103/1
If you wish, I will prepare orbits involving maximum speeds of ten light days a minute to all the nearest stars.
Concealment in Astounding Science-Fiction Sept. 93/2
One light-day out from Procyon, the thirty-third day by ship’s time since leaving Earth.
Giants Return in Planet Stories Fall 45/2
It was an insignificant run to the region of Proteus VI. The hyper-drive of the Paracelsus made the two light-day trip in a matter of subjective micro-seconds, but even so the shift required the usual preparations of banking down all electro-magnetic equipment of any kind.
Academy for Pioneers in Astounding Science Fiction May 94/2
They can’t use gravity waves, so they have to signal by radio or light and they were about two light-days out then.
Star Crossing in Worlds of If Mar. 88/2
There might be many civilizations ‘close’ together—a few light days from each other.
Space & the Longevity of Man in Isaac Asimov’s Science Fiction Magazine 13 Apr. 122
There’s a planet a few light-days away from here.
My Brother’s Keeper . i. 4
A very thin line encircled the bridge: short navy-blue dashes alternating with longer pale blue dashes. The Ringworld. Or, rather, Endurance having exited hyperspace sixty light-days from its destination, the Ringworld as it had appeared sixty days earlier.
Fate of Worlds viii. 68
J. Lewis Burtt, "When the Universe Shrank"
Research HistoryMalcolm Farmer submitted a 1956 cite from Raymond F. Jones' "Academy For Pioneers".
Fred Galvin submitted a 1949 cite from Robert Abernathy's "The Giants Return".
Fred Galvin submitted a cite from a 1970 reprint of A.E. Van Vogt's "Concealment", which Mike Christie verified in its original 1943 publication.
Bill Mullins submitted a cite from J. Lewis Burtt's "When the Universe Shrank".
Ben Ostrowsky submitted a 2012 cite from Niven & Lerner's "Fate of Worlds".
Earliest cite in the OED: 1963
Last modified 2021-10-18 22:56:17
In the compilation of some entries, HDSF has drawn extensively on corresponding entries in OED.