light year

(redirected from Light years)
Also found in: Dictionary, Thesaurus, Encyclopedia.

light year

the distance light travels in one year, i.e. 5.9 x1012 miles.
References in periodicals archive ?
The 27,000 light years to the galactic center on our BB-sized solar system scale is more than 40 miles.
4 light years to 107 Piscium, an orange dwarf star in the Pisces constellation.
One is orbiting a star 153 light years from Earth in the constellation of Pegasus.
A Chandra X-ray image (1) of Eta Carinae, our galaxy's most luminous star (7,500 light years from Earth), as compared to an optical image by the Hubble Space Telescope (2).
US experts were stunned when their latest multi-million-pound cameras unearthed "Scotland" - 7000 light years away in deep space.
Names of Stars Distance in Ursa Major from Earth Merak 78 light years Dubhe 105 light years Alioth 490 light years Mizar 88 light years Alkaid 210 light years Phad 90 light years