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Diagram of stellar evolution, showing the various stages of stars with different masses. A black dwarf is a theoretical stellar remnant, specifically a white dwarf that has cooled sufficiently to no longer emit significant heat or light.
Deep Space 1: NASA: January 2001: flyby failure abandoned due to problems with the star tracker, but was re-tasked to fly by comet 19P/Borrelly: 1998-061A: 19P/Borrelly: Deep Space 1: NASA: 22 September 2001: flyby success previously visited asteroid 9969 Braille: 1998-061A: 2P/Encke: CONTOUR: NASA: 2003 flyby failure contact lost shortly after ...
Small dim stars seem to be the most common stars in space, at least locally, but can only be seen with large telescopes, and then only when they are within a few tens of light-years from Earth. For example, the blue supergiant ζ Puppis is 400 million times more luminous than the nearest star, a red dwarf named Proxima , or α Centauri C .
Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years).
Tv series documentary 2015 Crash Course: Astronomy: Episodes #1-47 Short form YouTube series 2012 Curiosity: Episode #2.12 – "Sun Storms" TV series documentary 2012 The Late Late Show with Craig Ferguson: Episode #8.122 TV series 2010–19 How the Universe Works "Black Holes" "Stars" "Planets" "Solar Systems" "all episodes in seasons 2, 3, 4 ...
Veteran character actor Ned Beatty has died. He was 83.The celebrated actor, best known for his roles in Deliverance, Network, Superman and Shooter, died on Sunday from natural causes.A rep for ...
Gabe Ginsberg/Getty Images Star Trek star Gary Graham died at age 73 on Monday, January 22. Gary’s wife, Becky Graham, confirmed the actor’s death to The Hollywood Reporter on Tuesday, January ...
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