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Results tagged with solar-sail
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Questions regarding a 'sail' that can be attached to spacecraft to harness the sun's radiation to propel a ship in one direction or another.
6
votes
Laser propulsion possible?
Yes, it is entirely possible for lasers to give a propulsive power. In fact, there is a fairly commonly discussed idea of pointing a large laser at a solar sail to accelerate it faster than would be p …
- 122k
6
votes
Accepted
What is the closest to Earth you can expect lift from a solar sail?
There is a paper on what orbital drag looks like as a function of orbit. In order to determine if the solar sail would work to raise the orbit, let's make a few assumptions.
Approximately 1/4th of t …
- 122k
10
votes
Accepted
Once lightyears out of the solar system, could you expect to get feasible propulsion with a ...
You could expect to get a reasonable propulsion only if you plan ahead. Specifically, if you were to shine a very high powered laser on said solar sail from somewhere, you might be able to get propuls …
- 122k
28
votes
Can you tack against the sun using a solar sail?
This is actually somewhat easier than you would think. In the world of Orbital Dynamics, you only have to accelerate or decelerate your orbit to move closer/further away from the object you are orbiti …
- 122k
1
vote
Accepted
Do a significant proportion of cubesats (or any at all) have articulated solar panels/sails ...
By far the most common cubesat today is the Planet Lab, with around 100 of them launched. These have deployable solar panels.
That being said, much of it depends on what the purpose is. Most of the sm …
- 122k