mass,volume, gravity,of mars
Well i heard that the human saw the planet mars somewhere when it was year 1200 i dont know exactly but somewhere that year
water was recently discovered on planet mars
Planet Mars has never discovered anything!
The planet Mars is known from prehistoric times.
Mars has been known for thousands of years. No particular "discoverer" is known.
in the late 1600'S
1972
No, Mars was the ruling planet of Scorpio until Pluto was discovered. Then, Pluto became the ruling planet of Scorpio.
Mars, the planet, was first travelled to in 1965 by Mariner 4 (a spacecraft) by the country USA from NASA.
no life has been discovered on mars, so it is already "dead" in that sense.
Not sure what you mean, once you see something you have discovered it.
That would be planet Mars, and its two moons are named, "Phobos and Deimos". Mars is the only planet with exactly two moons.