Facts about the Mars

  • Scientists have calculated that Mars is 4.603 billion years old
  • It takes at best 4.30 minutes for radio signals to reach the Earth
  • The surface of the Mars rotates on its axis at a speed of 540 miles per hour
  • Atmospheric pressure is less than 1% of the Earth’s
  • Mars is named after the Roman god of war
  • Olympus Mons is the tallest mountain in the solar system. This shield volcano is 21km high and 600km in diameter. It could still be active.

Planet Profile

  • Mass: 6.42 x 10^23 kg (10.7% Earth)
  • Equatorial diameter: 6,792 km
  • Polar diameter: 6,752 km
  • Orbit period: 687 days (1.9 years)