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The Owl Nebula (also known as Messier 97, M97 or NGC 3587) is a planetary nebula approximately 2,030 light years away in the constellation Ursa Major. [2] Estimated to be about 8,000 years old, [ 6 ] it is approximately circular in cross-section with a faint internal structure.
Rendezvous with Rama is a 1973 science fiction novel by British writer Arthur C. Clarke.Set in the 2130s, the story involves a 50-by-20-kilometre (31-by-12-mile) cylindrical alien starship that enters the Solar System.
Owl Nebula: M97: NGC 3587: 1781 2.6 (approx.) 9.9 Ursa Major: Twin Jet Nebula or Butterfly Nebula M2-9: 1947 2.1 14.7 Ophiuchus: NGC 7026: 1873 5.6 10.0 Cygnus: Butterfly Nebula: NGC 2346: 1802 3.9 (approx.) 11.9 Monoceros: Abell 39: 1955 6.8 (approx.) 13.7 Hercules: Jones-Emberson 1 / Headphone Nebula: PK 164+31.1 1939 1.6 (approx.) 14.0 Lynx ...
The Southern Owl Nebula (PLN 283+25.1, ESO 378-1) is a planetary nebula located in the constellation Hydra. The nebula lies at a distance of 2,030 light years from Earth. It is named so because of its resemblance to the Owl Nebula in Ursa Major. [2] The nebula is notably symmetric, round, and has a diameter of approximately four light-years ...
Late in the series, Known Space is an irregularly shaped "bubble" about 60 light-years across. The epithet "Known Space" refers to a small region in the Milky Way galaxy , one centered on Earth. In the future that the series depicts, spanning roughly the third millennium , humans have explored this region and colonized many of its worlds.
The Manifold Trilogy is a series of science fiction books by British author Stephen Baxter. The series was published from 1999 to 2003. It consists of three novels and an anthology of short stories relating to the three. The three novels in the trilogy are not ordered chronologically; instead, they are thematically linked novels that take place ...
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Cosmos is a popular science book written by astronomer and Pulitzer Prize-winning author Carl Sagan. It was published in 1980 as a companion piece to the PBS mini-series Cosmos: A Personal Voyage with which it was co-developed and intended to complement. Each of the book's 13 illustrated chapters corresponds to one of the 13 episodes of the ...