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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 .
Summary of Mars mission clocks and sol counts Mission Ref. long. Clock offset Type Epoch (LT) Pathfinder (1997) 33.25°W AAT-02:13:01 LTST Sol 1 = MSD 43905 Spirit (2004) 165.01°E AMT+11:00:04 HLST Sol 1 = MSD 46216 Opportunity (2004) 15.28°W AMT-01:01:06 HLST Sol 1 = MSD 46236 Phoenix (2008) 126.65°W AMT-08:26:36 LMST Sol 0 = MSD 47776 ...
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.
Distance of the outer limit of Oort cloud from the Sun (estimated, corresponds to 1.2 light-years) — Parsec: 206 265 — One parsec. The parsec is defined in terms of the astronomical unit, is used to measure distances beyond the scope of the Solar System and is about 3.26 light-years: 1 pc = 1 au/tan(1″) [6] [61] Proxima Centauri: 268 000 ...
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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 ...
Fox Weather 1 day ago Magnitude 5.0 earthquake rattles West Texas The quake measured a magnitude 5.0 and was centered about 30 miles northwest of Toyah, Texas and 50 miles from Carlsbad, New ...