The planet Mercury revolves around the Sun once every 88 days. So you could say it 'overtakes' Earth several times per year on the 'inside' track of the solar system. But because the orbit of Mercury is tilted relative to Earth's most of the time it doesn't pass in front of the Sun when it does this. About 13 times per century however Mercury happens to pass in front of the Sun when seen from Earth. And today is such a time: you can watch the phenomenon in all its glory via this livestream.
Live: Watch Mercury Transit In Front Of The Sun
- by: Maarten Schenk
