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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18
votes
4answers
639 views

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.
9
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4answers
430 views

How will Yuri Milner and Stephen Hawking's nanobots decelerate and transmit data upon arrival at Alpha Centauri?

Does anyone know what exactly is their plan, once they get there? How is that nano-thing going to slow down / take images / send data back to us? I couldn't find any information on this.
6
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1answer
356 views

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 ...
5
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0answers
53 views

Could Breakthrough Starshot be used to deflect asteroids and comets?

Would Breakthrough Starshot be able to deflect an asteroid or comet? I have seen thoughts about using the lasers that would launch Breakthrough Starshot to deflect asteroids or comets: https://www....
3
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0answers
200 views

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 ...
1
vote
1answer
69 views

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 ...