Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery kra8.at 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 ...

Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery kraken2trfqodidvlh4aa337cpzfrhdlfldhve5nf7njhumwr7instad onion German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — an...