Scientists analyzed famed astronomer Johannes Kepler’s 1607 sketches of sunspots to solve a mystery about the sun’s solar cycle that has persisted for centuries.

Scientists analyzed famed astronomer Johannes Kepler’s 1607 sketches of sunspots to solve a mystery about the sun’s solar cycle that has persisted for centuries.

By Ashley Strickland, CNN (CNN) — German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering ...

Astronomers have spent centuries filling in their sketches of our corner of the Milky Way. But these charts, like all maps, are only approximations of reality. Their blind spots likely harbor some ...

How To Make Scale Drawings Of Solar System Orbits You can draw circular and elliptical orbits easily using a piece of string, paper, cardboard, and a couple of pushpins. Use this printable Scale Orbit ...

(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 ...