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 solar ...

Kepler's sun drawings are the oldest sunspot records with known dates. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Half-forgotten" sunspot ...

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 ...

Three comets (C/1618 Q1, C/1618 V1, and C/1618 W1) were observed in 1618, all visible to the naked eye. C/1618 Q1, first observed in August over Hungary, marks the first known telescopic observation ...

Before Johannes Kepler’s Third Law, the motions of the planets around the Sun were a mystery. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Forbes contributors publish independent expert analyses and insights. Writer, editor, publisher and fan of all things handwritten. The Homage to Johannes Kepler High Pede Serpentari Limited Edition 39 ...

Kepler's Supernova (CTB 41), the last naked-eye visible supernova in our galaxy, was first observed in October 1604 by Lodovico delle Colombe, reaching a magnitude of -2.5. Johannes Kepler, though not ...

Zielona Gora, Poland—The great German astronomer Johannes Kepler (1571–1630) arrived in this forested region to serve his last employer exactly 380 years ago—reason enough for some two dozen science ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. German astronomer ...