LightSail (Solar Spaceship) Test Flight Ends with Fiery Re-entry
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Topics: lightsail, light propulsion, solar propulsion
The LightSail test mission is formally over. Following a twenty five day stay in low-Earth orbit, the spacecraft re-entered back into Earth’s atmosphere Sunday afternoon. Orbital...
Why isn’t it scorching when we are 5 million km nearer to the sun...
There’s something in regards to the geometry of space that’s never made sense to me. I know that the axial tilt of the Earth is the rationale we've got seasons, but...
Brief: This Week In Science – 10th to 16th September 2016
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