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Earth-Mars comparison Saturn Eclipses The Sun
Sun, Composite image Sun, handle-shaped prominence
Hot Coronal Loops on the Sun Planet Mars
Mars, Polar ice cap Saturn, Convection storm
Planet Jupiter Saturn, close detail
Saturn, Titan moon Saturn, Hyperion moon
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Earth-Mars comparison
Mars is similar to Earth in many ways, having many of the same "systems" that characterize our world. Although it lacks an ozone layer, Mars has an atmosphere, a hydrosphere, a cryosphere and a lithosphere (air, water, ice and rock). These systems all interact to produce the Martian environment. This Earth image was acquired by the Galileo orbiter in 1990; the Mars image was acquired by Mars Global Surveyor in 1999.
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