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A Martian year is approximately 668.6 sols, equivalent to approximately 687 Earth days [1] or 1.88 Earth years. The sol was adopted in 1976 during the Viking Lander missions and is a measure of time mainly used by NASA when, for example, scheduling the use of a Mars rover .
The average length of a Martian sidereal day is 24 h 37 m 22.663 s (88,642.663 seconds based on SI units), and the length of its solar day is 24 h 39 m 35.244 s (88,775.244 seconds). [3]
"The Borderland of Sol" was originally published in Analog in 1975, with a cover by John Schoenherr. "The Borderland of Sol" is a science fiction novelette by American writer Larry Niven. It is the fifth in the Known Space series of stories about crashlander Beowulf Shaeffer. [1]
Solaris (/ s ə ˈ l ɑːr ɪ s /) is a 1961 science fiction novel by Polish writer Stanisław Lem.It follows a crew of scientists on a space station research facility as they attempt to understand an extraterrestrial intelligence, which takes the form of a vast ocean on the titular alien planet.
The first satellites designed for long term observation of the Sun from interplanetary space were NASA's Pioneers 6, 7, 8 and 9, which were launched between 1959 and 1968. These probes orbited the Sun at a distance similar to that of Earth, and made the first detailed measurements of the solar wind and the solar magnetic field.
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Tales of Known Space: The Universe of Larry Niven is a science fiction collection by American writer Larry Niven, collecting thirteen short stories published between 1964 and 1975 (all in Niven's Known Space future history) along with several essays by Niven and a chronology. This book was collected in Three Books of Known Space.
Kris Longknife [1] series by Mike Shepherd.Space elevators are ubiquitous across the known galaxy. 2061: Odyssey Three (1987), novel by Arthur C. Clarke.The possibility of a space elevator is realised after a groundbreaking discovery that Jupiter's core (now in fragments around the orbit of Lucifer, the small sun formed by the implosion of Jupiter) had been a solid diamond; as the hardest ...