guide star

From Wiktionary, the free dictionary
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

English

Noun

English Wikipedia has an article on:
Wikipedia

guide star (plural guide stars)

  1. (astronomy) A reference star that is used to maintain the alignment and tracking of a telescope (as the Earth rotates)

See also