A 417-year-old drawing by Johannes Kepler has just helped solve a major solar puzzle. The 1607 sketch features sunspots that give scientists important insights into how the Sun behaved during the ...
In 1607, Johannes Kepler projected an image of the Sun onto a piece of paper and spotted a dark smudge. He thought he was watching the planet Mercury cross our star. He was wrong. Without realizing it ...
The scene witnessed by Johannes Kepler after sunset on Oct. 17, 1604. While he wasn't the first to see the supernova, Kepler studied it like no one else. To recognize his detailed observations, we now ...
KRDO: Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery
(CNN) — 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 scientists solve a ...
Johannes Kepler thought he sketched Mercury orbiting across the sun. What he actually captured has solved a solar mystery
Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously hidden information about the solar cycles before the grand solar minimum ...
A team of Japanese and Belgian astronomers has re-examined the sunspot drawings made by 17th century astronomer Johannes Kepler with modern analytical techniques. By doing so, they resolved a ...
(Phys.org) —An exploding star observed in 1604 by the German astronomer Johannes Kepler held a greater fraction of heavy elements than the sun, according to an analysis of X-ray observations from the ...