The self-made billionaire, entrepreneur, and CEO of SpaceX has already begun his mission, and he’s sharing updates with the world every step of the way.
SpaceX currently expects to send its first cargo mission to Mars in 2022, with a human mission expected for 2024. The reusable spacecraft can take as many as four astronauts to the Martian surface and allow them to stay up to two months. The spacecraft would allow the team to travel back to the Mars Base to prepare for the next mission.
Earth | Mars | |
Average Distance from Sun | 93 million miles | 142 million miles |
Diameter | 7,926 miles | 4,220 miles |
Tilt of Axis | 23.5 degrees | 25 degrees |
Length of Year | 365.25 Days | 687 Earth Days |
Length of Day | 23 hours 56 minutes | 24 hours 37 minutes |
Gravity | 2.66 times that of Mars | 0.375 that of Earth |
Temperature | Average 57 degrees F | Average -81 degrees F |
Atmosphere | nitrogen, oxygen, argon, others | mostly carbon dioxide, some water vapor |
Number of Moons | 1 | 2 |
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