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This question came up at another forum. The delta-v of potential guns is limited to the range 3 km/s to 11 km/s (hydrogen gun). Assume the astronaut is either on the moon or orbiting the moon. I'm wondering if a single impulse followed by gravity assists (and ideal planet alignment) could result in the bullet's orbit intercepting the sun.
Would 3 km/s to 11 km/s be sufficient to achieve a gravity assist with Mars (assuming it's located in an ideal part of it's orbit)? If not, the next option would be a gravity assist from Earth and then one or more planets to achieve a Sun intercepting orbit?
Would 3 km/s to 11 km/s be sufficient to achieve a gravity assist with Mars (assuming it's located in an ideal part of it's orbit)? If not, the next option would be a gravity assist from Earth and then one or more planets to achieve a Sun intercepting orbit?