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Brief Overview of Mars

Best views of Mars are at opposition and when it is at perihelion – a favorable opposition – when it is about the size of a head at 1 mile (every 15 years)

About 1.5 AU from the Sun

Orbital period ~2 years (1.88 yrs)

Rotation period ~1 day (24 hrs 37 mins)

Obliquity ~ 25.1˚

Diameter ~ ½ earth

Pressure ~ 0.0063 bar (same as being 35 km up in the air)

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