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Space agencies should first undertake Human mission to Mars's little moons before attempting Mars's surface
Space agency's should first undertake Human mission to Mars's little moons before attempting to set foot on Mars's surface
A human mission to Phobos does not need any significant technological developments in contrary to a mission to the surface of Mars.
A human mission to Phobos poses far less risks of astronauts losing their lives than a human mission to the surface of Mars.
A mission to Phobos would win a space race in setting the first foot on a celestial body outside the Earth-moon system from a mission to the surface of Mars.
The financial costs of a human mission to Phobos will be significantly less than a human mission to the surface of Mars.
A mission to Phobos would provide for a good preparation, testing and provide a stepstone for a future mission to the surface of Mars. This reduces the risk of failure of such a future endeavor.
Both Martian moons are less promising for permanent settlement.
The escape velocity of Phobos is only 11.39 m/s. This means that
if a human being were to jump
, they would literally escape the gravitational pull of the moon. Therefore, Phobos is incompatible with basic human movement, let alone a landing craft.
Any crewed endeavour beyond Earth's orbit will be a flagship mission, and there isn't enough public interest in a Phobos landing to generate the required support
The surface of Phobos is most likely scientifically less interesting than the surface of Mars as available imaging by robotic spacecraft indicate it being less diverse and complex.
A successful human mission to the surface of Mars would be more historic and awe-inspiring than a human mission to the surface of it's moon Phobos.
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