Questions tagged [light-sail]

questions about spacecraft propelled by the reflection of light, either from the Sun, or an artificial source.

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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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Where is this LightSail-2 trajectory data coming from? Is there more than TLEs available to the public?

This tweet shows high granularity data for LightSail-2's perigee and apogee, showing that while the apogee-raising strategy is working nicely, currently atmospheric drag is taking its toll and the ...