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Science-Universe: Planets;
Mars
and its Moons -
Phobos, Deimos
by
PHOTOVAULT®
T
his page contains samples from our picture files on
Mars
. These photographs are available for
licensing
in any media. For Pricing, General Guidelines, and Delivery information click
here
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Mass (kg)..........................................................6.42 x 10^23
Diameter (km)...................................................6787
Mean density (kg/m^3) ......................................3940
Escape velocity (m/sec)......................................5000
Average distance from Sun (AU)........................1.524
Rotation period (length of day in Earth days).......1.026
Revolution period (length of year in Earth days)..686.98
Obliquity (tilt of axis in degrees).......................25
Orbit inclination (degrees)................................1.85
Orbit eccentricity (deviation from circular).........0.093
Maximum surface temperature (K)...................310
Minimum surface temperature (K)....................150
Visual geometric albedo (reflectivity)...............0.15
Highest point on surface.................................Olympus Mons (about 24 km above surrounding lava plains)
Atmospheric components................................95% carbon dioxide, 3% nitrogen, 1.6% argon
Surface materials............................................basaltic rock and altered materials
A new system for time keeping and mapping on Mars can be found
here
or
here
. Please take a look at this page as it has an incredible implication for eliminating the incredibly inneficient time system we presently use.
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