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Soda Planet

Soda Planet

How much of the Earth’s currently-existing water has ever been turned into a soft drink at some point in its history? By xkcd/Randall Munroe Every Tuesday, the xkcd what if? webpage answers your hypothetical questions with physics. The above question was...
Voyager of Hope

Voyager of Hope

If our environment is the space we occupy, it is now interstellar. NASA reports: NASA’s Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion km) from our...