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Sol (borrowed from the Latin word for sun) is a solar day on Mars; that is, a Mars-day. A sol is the apparent interval between two successive returns of the Sun to the same meridian (sundial time) as seen by an observer on Mars. It is one of several units for timekeeping on Mars. A sol is slightly longer than an Earth day.
The basic time periods from which the calendar is constructed are the Martian solar day (sometimes called a sol) and the Martian vernal equinox year.The sol is 39 minutes 35.244 seconds longer than the Terrestrial solar day, and the Martian vernal equinox year is 668.5907 sols in length (which corresponds to 686.9711 days on Earth).
Numerically, the Mars Sol Date is defined as MSD = (Julian Date using International Atomic Time − 2451549.5 + k)/1.02749125 + 44796.0, where k is a small correction of approximately 1 ⁄ 4000 day (22 s) due to uncertainty in the exact geographical position of the prime meridian at Airy-0 crater. [citation needed]
Whenever there's a debate about the best time travel movies or television shows of all time, nine times out of ten, the person you're debating will mention the 1985 classic, Back the Future. And ...
On July 31, 2008 (sol 65), NASA announced that Phoenix confirmed the presence of water ice on Mars, as predicted in 2002 by the Mars Odyssey orbiter. During the initial heating cycle of a new sample, TEGA's mass spectrometer detected water vapor when the sample temperature reached 0 °C. [ 93 ]
Curiosity (MSL), the rover which landed on Mars in August 2012, used a spare sundial remaining from the Mars Exploration Rovers. [5] It has a new text that reads "Mars 2012" and "To Mars To Explore". [5] The ball is the nodus, the post is the gnomon. [3] The colors on the corners are for calibrating colors, and the inner circles are in ...
Mars's average distance from the Sun is roughly 230 million km (143 million mi), and its orbital period is 687 (Earth) days. The solar day (or sol) on Mars is only slightly longer than an Earth day: 24 hours, 39 minutes, and 35.244 seconds. [185] A Martian year is equal to 1.8809 Earth years, or 1 year, 320 days, and 18.2 hours. [2]
More than 4 million Americans gouged by credit repair companies including Lexington Law and CreditRepair.com will soon collectively receive $1.8 billion in refund checks, the Consumer Financial ...