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It is approximately 24 hours, 39 minutes, 35 seconds long. 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. [2] [3]
Chmeee is approximately 8 feet (2.4 m) tall and weighs 400–500 pounds (180–230 kg). He, like all kzinti, is covered with a thick coat of long fur that comes in various combinations of orange, yellow, and black. His face has black fur across the eyes resembling a bandit's mask, or the facial markings of a raccoon.
The corresponding values for Earth are currently 23 h 56 m 4.0916 s and 24 h 00 m 00.002 s, respectively, which yields a conversion factor of 1.027 491 2517 Earth days/sol: thus, Mars's solar day is only about 2.75% longer than Earth's; approximately 73 sols pass for every 75 Earth days.
As the series opens, humanity has colonized an area of the galaxy roughly 100 light years in diameter. This area is called Sphere Sol, as it is the sphere of influence of the race from the star Sol, that is, the Sun. Sphere Sol's "neighborhood" is also home to other spheres, each centered around a particular star: Spheres Polaris, Canopus, Spica, Nath, Mirzam, and Bellatrix as well as the huge ...
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.
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The Honorverse is a military science fiction book series, its two subseries, two prequel series, and anthologies created by David Weber and published by Baen Books. They are centered on the space navy career of the principal protagonist Honor Harrington. The books have made The New York Times Best Seller list. [1] [2] [3] [4]
They arrive at the planet Alpha, which orbits Alpha Centauri and is all ocean except for an island 250 km long and 65 km wide on which live a small group of humans. In a reference to the radioactive Earth of Asimov's novel Pebble in the Sky , the restoration of Earth's soil was eventually abandoned in favour of resettling the population to "New ...