With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its ...

Pounding icy objects on Mars could make it survivable for humans, says a new study. Scientist Leszek Czechowski of the Polish ...

Astronomers have sent artificial satellites (satellites that are manmade) to orbit several Solar System objects, including Jupiter, the asteroid Vesta and Mars ... The diagram shows a satellite ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational ... The Sun and its planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune The different ...

The Sweden Solar System is the largest scale model of the Solar System in existence, and it spans the entire Swedish ...