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Posts by Brian‭

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Q&A Gravitational slingshots: could they be used to decelerate a spacecraft traveling at a small fraction of light speed?

I have heard of gravitational slingshots being used to theoretically accelerate a spacecraft using a planet's gravity and momentum in orbit. But how about decelerating a ship? If it is at all possi...

8 answers  ·  posted 8y ago by Brian‭  ·  last activity 7y ago by Brian‭

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Q&A Is it a forgone conclusion that any exo-bacteria discovered on an alien, albeit Earth-like planet will be deadly to human life?

Would the discovery of alien bacteria found on even an Earth analog planet preclude the possibility of colonization due to the potentially deadly nature of bacterial/viral infections? Put different...

11 answers  ·  posted 8y ago by Brian‭  ·  last activity 7y ago by Brian‭

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Q&A Using a brown dwarf for a gravity-assisted slingshot

Assuming the feasibility of utilizing a brown dwarf for a gravity assisted slingshot, or Oberth Maneuver, what sort of hazards/difficulties could one expect during such a maneuver? EDIT: To make ...

2 answers  ·  posted 8y ago by Brian‭  ·  last activity 8y ago by Brian‭