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This sounds incredibly legit, but question: Could you not gain a shit ton of momentum sailing directly with the wind in a regular boat, then drop your sails and steer into the direction of it to maintain some amount of velocity for an amount of time? Feels like the same principle could be applied here, especially because they would swap between photon momentum and gravitational momentum

Assuming you have a modern digital camera, check if it has a Bluetooth phone app that lets you download images to local memory. I was able to zoom in and verify focus after my first shots, this was a major help when I tried stars.

BTW, no joke this is a book by Daniel Quinn called ‘Ishmael’. Highly recommend

Here’s the thing…