Mars is smaller than Earth, with a diameter of approximately 4,200 miles, and the air is comprised mainly of carbon dioxide — it makes up 95 % of its very thin atmosphere.

"The briefing will include NASA's efforts to complete its goals of returning scientifically selected samples from Mars to Earth while lowering cost, risk and mission complexity," NASA officials ...

This is part of Musk’s grand plan to colonise Mars. "One day we could make Mars a planet like Earth," Musk said. Launch timeline Musk said that Starship will be used for Starlink missions and ...