Light Year


Light Year

A unit of length in astronomy that is equal to the distance that light travels in one year in a vacuum, or 5.88 trillion miles (9.46 trillion kilometers).

Articles on that refer to Light Year

Millennium 3000 Scenarios By Theodore J. Gordon and Jerome C. Glenn
Top News of 2002 By Ray Kurzweil and Amara D. Angelica
Are We Enlightened Guardians, Or Are We Apes Designing Humans? By Douglas Mulhall

News Articles that refer to Light Year

Black Holes Exhale Enormous Gas Cloud
Earth-like planets in our galactic neighborhood
Cosmic Laws Like Speed of Light Might Be Changing
Tiny silicon grains for lasers on a chip
Freeman Dyson Offers Up New Extraterrestrial Search Ideas
Tantalising evidence hints Universe is finite
Earth sows its seeds in space
Mysterious signals from 1000 light years away
Have we seen an exoplanet?
Escape from the universe

Related Links

Astronomical Distance Scales