Blue Sky
Blue Sky, BlueSky or Bluesky may refer to:

Places
Blue Sky, Colorado, U.S.
Bluesky, Alberta, Canada

Science
Blue skies research (also called blue sky science), scientific research in domains where "real-world" applications are not immediately apparent
Bluesky Formation, a stratigraphic unit of Lower Cretaceous age in the Western Canada Sedimentary Basin
Diffuse sky radiation, solar radiation reaching the Earth's surface after Rayleigh scattering
Rayleigh scattering, which causes the sky to appear blue.

Art, entertainment, and media
Animation and gaming
Blue Sky Studios, a computer animation studio acquired by the Walt Disney Company in 2019
BlueSky Software, a defunct video game company
Looking Glass Studios, a computer game developer originally known as Blue Sky Productions

Film and television
Blue Sky (1955 film), a Swedish comedy film
Blue Sky (1994 film), a film starring Jessica Lange and Tommy Lee Jones
Blue Sky (TV channel), a Greek regional television station
Blue Sky, blue methamphetamine in the American TV series Breaking Bad, 2008
Blue Sky programming, USA Network's "optimistic" television shows during 2005-2016

Music
Blue Sky Records, a record label started by manager Steve Paul
Blue Sky (album), a 2012 album by Jinny Ng

Songs
"Blue Sky" (song), a song by The Allman Brothers Band
"Blue Sky", a song by rapper Common, from the album The Dreamer/The Believer
"Blue Sky", a song by Patti Griffin, from the album Flaming Red
"Blue Sky", a song by Emily West
"The Blue Sky", a song by A-ha, from the album Hunting High and Low

Other art, entertainment, and media
Blue Sky (manga), a 2007 Japanese manga
Blue sky memo, a document authored by the Central Intelligence Agency (CIA)

Business
Blue Sky Airlines, an airline in Armenia
Blue Sky Aviation Services, a domestic airline in Kenya
Blue Sky Beverage Company, a soft drink manufacturer
Blue sky law, state laws in the United States that regulate the offering and sale of securities

Other uses
Bluesky Social, a distributed social network protocol, spun off from Twitter
BlueSky Charter School, an online school for Minnesota citizens
BlueSky Open Platform, an open source e-learning solution
Blue Sky, a rainbow code for the Fairey Fireflash air-to-air missile
Blue Sky navigation pod, an airborne navigational/attack pod
Blue Sky (artist) (born 1938), American painter and sculptor formerly known as Warren Edward Johnson
Blue Sky Solar Racing, a solar car racing team based at the University of Toronto

See also
Blue Skies (disambiguation)
Black sky (disambiguation)
Big Sky (disambiguation)
"Mr. Blue Sky", a song by ELO