No scientists from Earth have ever been to Mars.
No mars is the fourth plane, because mercury is first planet,Venus is the second,and earth is the third planet.
Mars
Mercury is closer to the sun than mars
Mercury is the first planet from the sun, Mars is the fourth.
No person has ever visited Mars yet.
The first rocket sent to Mars was the Soviet Union's Mars 1 in 1960. However, communication was lost before it reached the planet.
mars
Mars.
Mars is the second largest but it can be argued between scientist's Mars may be the same size of another planet or be smaller than another planet
There might be, though scientist haven't figured out yet.
Yes it is. Mars is the first planet in the solar system.
No mars is the fourth plane, because mercury is first planet,Venus is the second,and earth is the third planet.
Scientist are thinking Mars, because of river beds there.
No human has been on the planet Mars as yet, although there are plans for manned missions to mars in the future!
When attempting to categegorise the planet, the scientist, igor Svensik, found it very hard, so he took a break. In his break he had a coffee, and a chocolate bar. A MARS BAR
Mars
it was either mars or earth i think it was mars