Mars

Megan

What it looks like

Is the planet Terrestrial or Jovian?

Mars is one of our Terrestrial planets. Mercury, Venus, and Earth are the other three.

What is the length of a year (revolution) ?

The length of a year on Mars is 687 days.

What is the length of a day (rotation) ?

The length of a day on mars is 1 day, 0 hours, and 40 minutes.

How many moons does the planet have?

Mars has two small moons: Phobos and Deimos

Does the planet have rings? If yes, what are the rings made out of?

Mars does not have rings but scientist say that maybe in the future it will develop rings.

What is the composition of the atmosphere?

The atmosphere of Mars is about 100 times thinner than Earths, and it is 95 percent carbon dioxide. Here's a breakdown of it's composition: Carbon Dioxide: 95.32 percent. Nitrogen: 2.7 percent.

What is the average temperature range (high and low)?

Differing in situ values have been reported for the average temperature on Mars, with a common value being -55 degrees Celsius (218 K; -67 degrees Fahrenheit) Surface temperature may reach a high of about 20 degrees Celsius (293 K; 68 degrees Fahrenheit) at noon, at the equator, and a low of about -153 degrees Celsius (120 K; -243 degrees Fahrenheit ) at the poles.

What are at least 3 distinguishing characterisitcs of the planet?

  • Mars and Earth have approximately the same land mass (1000 KM)
  • Mars is home to the tallest mountain in the solar system (Olympus Mons)
  • Pieces of Mars have fallen to Earth
  • Only 18 missions to Mars have been successful
  • On Mars the Sun appears about half the size as it does on Earth
  • Mars takes its name from the Roman god of war
  • There are signs of liquid water on Mars
  • One day Mars will have a ring

Name a least 2 missions that have explored the planet and the date they launched.

The most recent arrivals include the Mars Curiosity mission in 2012, the MAVEN mission, which arrived on September 22, 2014, followed by the Indian Space Research Organization's MOM Mangalyaan orbiter, which arrived on September 24, 2014

What is the mythology behind the name of the planet?

Mars is named after the Roman god of war. The planet got its name from the fact that it is the color of blood.