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1. What is the diameter of Mars?
2. What is primary component of Mars’ atmosphere?
3. Why is Mars red?

Sagot :

  1. 6,799 km
  2. On average, the data revealed, the equatorial Martian atmosphere consists of 95% carbon dioxide, 2.59% nitrogen, 1.94% argon, 0.161% oxygen, and 0.058% carbon monoxide.

3. The simple explanation for the Red Planet's color is that its regolith, or surface material, contains lots of iron oxide — the same compound that gives blood and rust their hue. ... It does have an iron core, but abundant iron exists in its upper layers, also.