Launched a decade ago, the European Space Agency's Rosetta, the first probe designed to attempt landing on the Comet 67P/Churyumov-Gerasimenko, announced waking up from its hibernation by tweeting the words "Hello World!".
Since its launch in 2004, Rosetta has made three flybys of Earth and one of Mars to help it on course to its rendezvous with 67P/Churyumov-Gerasimenko, encountering asteroids Steins and Lutetia along the way.
Operating on solar energy alone, Rosetta was placed into a deep space slumber in June 2011 as it cruised out to a distance of nearly 800 million km from the warmth of the Sun, beyond the orbit of Jupiter.
Now, as Rosettas orbit has brought it back to within only 673 million km from the Sun, there is enough solar energy to power the spacecraft fully again.
|“Mars is a fixer-upper of a planet, but we could make it work.”|
|"The final frontier sort of stinks."|
|"This is good. This is science."|
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|“We could set up a small lunar base for $10 billion or less, and we could do it by 2022.”|
|"Frozen brains could be thawed and inserted into a donor body."|
|"Have you ever pondered why we itch in the first place?"|
|"Every saint and every sinner in the history of our species lived out their lives in a spec of dust suspended in space."|
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|"Academics who study basic income said the pilot gives a chance to see how the idea plays in a changed economy."|
|"It’s appealing to imagine a world where artificial wombs grow babies."|
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|"You look in the mirror and see your body and your face and you think that’s you—but that’s really just the machine you’re riding in."|
|"This created a bubble, and like housing, that bubble has now burst."|
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