Spacecraft that sails on sunlight actually works
Spacecraft pushed by photons might someday take us to other stars.
Tag: solar sail
Carl Sagans’ solar sail will be put to the test next week: our shot at interplanetary travel
In 1976, Carl Sagan went on the Tonight Show with Johnny Carson along with a strange contraption, that looked like ...
EDITOR'S PICKS
The largest stars in the Universe (that we’ve found so far)
Here's some of the largest, plumpest ones out there.
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