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Questions tagged [project-starshot]

A futuristic long range space program proposing the use of a high powered laser to propel a space craft to the star Alpha Centauri.

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Effective range of a laser propelled solar sail

The ongoing Breakthrough Starshot program proposes the use of high powered lasers on Earth to be aimed at a solar sail with the intention of propelling it to the star Alpha Centauri. To be more ...
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Project Starshot acceleration

A recent question about Project Starshot's communication asks about one of the seemingly insurmountable problems with this project. There is however another problem that has bugged me ever since I ...
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Why would “Breakthrough Starshot” need photon thrusters?

Found here (italics added, bold in source): Nanocrafts are gram-scale robotic spacecrafts comprising two main parts: StarChip: Moore’s law has allowed a dramatic decrease in the size of ...
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How are the tiny spacecraft proposed by Project Starshot supposed to communicate with Earth?

Between power limitations and aperture-limited diffraction I just can't see how it's possible.