Aurora records in royal chronicles from Korea show that during the 'Maunder Minimum' between 1645 and 1715, the sun's solar cycles became several years shorter than they are today. When you purchase ...
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 ...
Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...
A large solar flare erupts from the Sun’s surface in this image from NASA’s Solar Dynamics Observatory taken on 7 March 2012. Credit: NASA/GSFC/SDO Sunspots change in number depending on how much ...
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 ...
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 ...
While the the sun might appear like a still disk in the sky, our star is actually a dynamic object that goes through cycles of activity. But what exactly are solar cycles and what are they ...
The Sunspot Number, the longest scientific experiment still ongoing, is a crucial tool used to study the solar dynamo, space weather and climate change. It has now been recalibrated and shows a ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. German astronomer ...
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