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[magnetaress]

I'm just curious, given enough time, that flashlight will accelerate near the speed of light? If said flashlight remained on.

Anyway we should totally build a lazer, or lenses to focus solar energy in space and try to accelerate some small tiny sensor with a radio to relativistic speeds. Maybe we could sling it on a 24 year mission around our nearest neighbor if we can keep it from escaping?

Now I have an itch to find out what velocity and trajectory will work for a flyby. And how long that'd take without too much deceleration.

@baler I really enjoyed scrolling through that wiki. To think I could live another 40 years... that'd place me squarely in 2060. Still hope we get to mars.

@Jibartik I am going to try watching the expanse. Does it mostly take place only in our solar system?