NASA's solar sail successfully spreads its wings in space

[Admin]

NASA's Advanced Composite Solar Sail System successfully spread its "wings" in space.

NASA's solar sail successfully spreads its wings in space : Read more

 

[orsobubu]

"photons don't have mass" ... and size ...

in future, this will reveal as one of the main scams in contemporary physics

 

[DSyno]

How could it fly to the sun, when it's propelled by sunlight?

I imagine it can't tack back-and-forth like a sailboat, since that requires friction of the water, and there is no such friction in space.

It seems a solar sail could only be propelled away from the sun.