Shop Windows to the Universe

Hands On Mineral Identification helps you to identify over 14,500 minerals! By M. Darby Dyar, Ph.D. See our DVD collection.

Mars Statistics

Planetary Symbol: Name in Roman/Greek Mythology: Mars/Ares
Diameter: 6,785 km (4,217 miles) Rotation Period about Axis: 24.6 hrs
Mass: 0.64x10^24 kilograms (0.11 x Earth's) Revolution Period about the Sun: 1.88 years
Density: 3,933 kg/m^3 Tilt of Axis: 25o 12"
Minimum Distance from Sun: 205 million km
(128 million miles)
Surface Gravity: 3.7 m/s^2 (0.37 x Earth's)
Maximum Distance from Sun: 249 million km
(155 million miles)
Temperature: -129o C to 0o C
( -200o F to 32o F)
Orbital Semimajor Axis: 1.52 AU (Earth=1 AU) Average Surface Temperature (K): 218K
Minimum Distance from Earth: 35 million miles Satellites: 2

Mars Image Archive

Comparative Planetary Statistics -- in table form

Comparative Orbital Statistics -- in table form

Actual Distance to Earth

Last modified June 6, 2002 by Jennifer Bergman.

Shop Windows to the Universe Science Store!

Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

Windows to the Universe Community

News

Opportunities

You might also be interested in:

Mars

Ares was the Greek god of war, always acting and thinking like a warrior. Mars was identified with the Greek god Ares. Mars was driven by rage and a strong desire for violence. He enjoyed the great noise...more

How far is the Earth from the Sun, the Moon and all the other planets? How far are all of the planets from the Sun? Do you know of a software that tracks the planets in real-time?

There is a really neat internet program called Solar System Live that shows where all of the planets and the Sun are. If you go to that page, you'll see an image similar to the one on the left. Below the...more

Discovery of Mars

Mars is a bright, red object in the sky. It is very easy to see, which means that even people that lived long ago knew it was there. So, we don't know who discovered it. We do know it was named after...more

Martian Surface Winds

On Mars the surface winds accelerate to higher speeds than those on Earth. These winds can be whipped to an extreme during the frequent Martian global dust storms. The first weather measurements made from...more

Mars 2003

The Mars 2003 mission includes a lander and a rover. The mission will start sometime in May or June, 2003. The lander will carry the rover, and it will use rockets to help it land on the surface. The...more

The Mars '98 Landing Site

The Mars '98 lander was suppose to land near the south pole of Mars. This picture of the south pole was taken by the Mars Global Surveyor mission. Unfortunately, contact with the Mars '98 lander was lost,...more

MGS Original Orbit

When the Mars Global Surveyor first went into orbit around around Mars, its orbit was elliptical. That means the orbit (shown by the white line in the picture) was shaped like an oval or an egg. But then...more

Mars Global Surveyor Measures Martian Surface Temperatures

This image shows how cold the surface of Mars can be. The temperature of the surface was measured by the Mars Global Surveyor spacecraft. The scale to the left shows that purple regions are the coldest,...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA