Unfortunately Mars is cold, but Neptune is extremely cold. Therefore Mars is so likely like Earth that scientists think there might be living things on Mars. Neptune is more likely impossible to live on therefore you will need quite a lot of the technology to live or even go to Neptune.
Edit: Also Mars is a solid rocky world, whereas Neptune is mainly gas, fluids
and so on.
Neptune is in between Mars and Jupiter
Neptune is bigger than Mars and also the Earth
Jupiter, Saturn and Uranus.
The asteroid belt is between Mars and Jupiter, so Neptune is outside it.
neptune has moons and mercury dosent
Neptune is in between Mars and Jupiter
Neptune is bigger than Mars and also the Earth
Jupiter, Saturn and Uranus.
neptune has moons and mercury dosent
The asteroid belt is between Mars and Jupiter, so Neptune is outside it.
Mars,Saturn,and Neptune
Neptune
what is the difference between earth amd mars besides that earth has life
Mars was the god of war and Neptune was god of the sea
The asteroid belt is in between the orbit or Mars and Jupiter. The Oort cloud is beyond the orbit of Neptune.
Mars
Neptune is much colder than Mars.