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Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery kraken3yvbvzmhytnrnuhsy772i6dfobofu652e27f5hx6y5cpj7rgyd.onion German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — an...

Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery kra1 German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering drawings are helping sci...

Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery kraken2 German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering drawings are helping ...