The Red Rock

Mars is the planet most like Earth. It has frozen water near its north and south poles. One day on Mars lasts slightly longer than one on Earth. Mars has four seasons, but each year is almost as long as two Earth years.

Embedded in a rock from Mars, scientists found remains of life. They may have been left by creatures that were very tiny, or microscopic . They probably lived on Mars more than 3 billion years ago.

Facts About Mars

Rotational Period: 24 hour 37 minutes

Volume (Earth=1): 0.15

Density (Water=1): 3.95

Temperature at surface: -120�C to +25�C

Mars Statistics

Distance from the sun: 227.9 mkm

Orbital velocity: 24.13 km/s

Year length: 1.881 Earth-years

Diameter: 6,787 km

Mass: 0.1074 Earth-mass

Satellites: 1

Link To Other Planet

Runa Jesmin

Last revised: 20 September 1999

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	Facts About Mars
	Rotational Period: 24 hour 37 minutes
	Volume (Earth=1): 0.15
	Density (Water=1): 3.95
	Temperature at surface: -120�C to +25�C

	Mars Statistics
	Distance from the sun: 227.9 mkm
	Orbital velocity: 24.13 km/s
	Year length: 1.881 Earth-years
	Diameter: 6,787 km
	Mass: 0.1074 Earth-mass
	Satellites: 1