Breakthoughs Starshot launches worlds smallest satellite

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Breakthoughs Starshot launches worlds smallest satellite

Postby SANEAlex » Wed Jul 26, 2017 8:18 pm

Not yet quite free flying but it looks like a 4 gram satellite is possible. I/we just need to work a bit harder on the launcher ;)

https://breakthroughinitiatives.org/News/12
Someone has to tilt at windmills.
So that we know what to do when the real giants come!!!!
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Re: Breakthoughs Starshot launches worlds smallest satellite

Postby Jay » Tue Aug 08, 2017 11:52 pm

Do you know what sort of redundancy they have built into these tiny spacecraft? Twenty years of interstellar travel at a significant fraction of the speed of light will accumulate an intense dose of cosmic radiation and thousands if not millions of micrometeorite impacts. It would be a shame to go to all that effort and expense only to have the probe end up dead on arrival. Are you aware of the shielding the Breakthrough engineers intend to use? Maurice Ward's StarLite (discussed elsewhere in this forum) would seem to be appropriate if only for the name! At four grams each, I guess they could just send a swarm of these "chipsats" to Proxima Centauri in the hope that at least one will survive.

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