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 ...

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 ...

It's the largest drill NASA has ever sent to space, and it will dig deeper into Mars than ever before. The mission? Uncover clues to one of the most outstanding mysteries in our solar system.

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 ...