Contact Bob | About this Site | Site Map
Bob the Alien's Tour of the Solar System
The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto and Dwarf Planets Comets


Ask an Alien! Ask an Alien about Mars
Here are questions that visitors to this website have asked about Mars. If you want to ask a question, email it to Bob the Alien using this form.

To view questions about other topics, choose its section below.

- The Sun - Mercury - Venus - Earth - Mars - Jupiter - Saturn - Uranus - Neptune - Pluto and Dwarf Planets - The Moon -
- Asteroids and Comets - Stars and Galaxies - Space Exploration - Website -

Question Answer
Giselle asked:
What is Mars' atmosphere?
Mars' atmosphere (its sky) mostly contains carbon dioxide (about 96%), with smaller amounts of Nitrogen (2.7%) and Argon (1.6%). There are also small trace amounts of oxygen, carbon monoxide, water and methane in the atmosphere. Unfortunately this kind of atmosphere wouldn't be suitable for human beings to survive in.
What planet is Mars? Is it the seventh planet? Mars is the fourth planet in the Solar System. The seventh planet is Uranus.


Ask Your Question Here!