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The Interior of Mars Posters
by solarviewsThis shows a cut-away view of the internal structure of Mars.
The current understanding of the interior of Mars suggests that it
can be modeled with a thin crust, similar to Earth's, a mantle and a core.
Using four parameters, the Martian core size and mass can be determined.
However, only three out of the four are known and include the total mass,
size of Mars, and the moment of inertia. Mass and size was determined accurately
from early missions. The moment of inertia was determined from
Viking lander and Pathfinder Doppler data, by measuring the
precession rate of Mars. The fourth parameter, needed to complete the
interior model, will be obtained from future spacecraft missions.
With the three known parameters, the model is significantly
constrained. If the Martian core is dense (composed of iron) similar
to Earth's or SNC meteorites thought to originate from Mars, then
the minimum core radius would be about 1300 kilometers. If the
core is made out of less-dense material such as a mixture of sulfur
and iron, the maximum radius would probably be less than 2000 kilometers.
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The current understanding of the interior of Mars suggests that it
can be modeled with a thin crust, similar to Earth's, a mantle and a core.
Using four parameters, the Martian core size and mass can be determined.
However, only three out of the four are known and include the total mass,
size of Mars, and the moment of inertia. Mass and size was determined accurately
from early missions. The moment of inertia was determined from
Viking lander and Pathfinder Doppler data, by measuring the
precession rate of Mars. The fourth parameter, needed to complete the
interior model, will be obtained from future spacecraft missions.
With the three known parameters, the model is significantly
constrained. If the Martian core is dense (composed of iron) similar
to Earth's or SNC meteorites thought to originate from Mars, then
the minimum core radius would be about 1300 kilometers. If the
core is made out of less-dense material such as a mixture of sulfur
and iron, the maximum radius would probably be less than 2000 kilometers.
created by
solarviews (11/12/2005 10:16 AM)
The current understanding of the interior of Mars suggests that it
can be modeled with a thin crust, similar to Earth's, a mantle and a core.
Using four parameters, the Martian core size and mass can be determined.
However, only three out of the four are known and include the total mass,
size of Mars, and the moment of inertia. Mass and size was determined accurately
from early missions. The moment of inertia was determined from
Viking lander and Pathfinder Doppler data, by measuring the
precession rate of Mars. The fourth parameter, needed to complete the
interior model, will be obtained from future spacecraft missions.
With the three known parameters, the model is significantly
constrained. If the Martian core is dense (composed of iron) similar
to Earth's or SNC meteorites thought to originate from Mars, then
the minimum core radius would be about 1300 kilometers. If the
core is made out of less-dense material such as a mixture of sulfur
and iron, the maximum radius would probably be less than 2000 kilometers.
created by
solarviews (11/12/2005 10:16 AM)
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Tags: mars, solar, system, interior, structure, planet, cut away
Store Category: Planetary Interiors
Posters:
mars
,solar
,system
,interior
,structure
,planet
,cut away
, postersMarketplace Categories: Astronomy, Space > Astronomy > Space Images > Solar System > Mars | Fantasy, Science Fiction > Science Fiction > Space > Planets > Mars
All Products: mars, solar, system, interior, structure, planet, cut away
Today's Best November 12, 2005
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