The sun in 2020

See a whole year of sun images, an image a day for 2020, taken by ESA’s Proba-2 satellite. Source: https://earthsky.org/space/sun-in-2020-movie-images…

What is the Common Era?

If you encounter a date in the CE (Common Era) or BCE (Before Common Era) format, don’t fret. They mean exactly the same thing as AD (anno Domini) and BC (before Christ). Source: https://earthsky.org/human-world/definition-common-era-bce-ce-bc-ad…

Why beware the Ides of March?

The Ides of March are March 15. We in modern times probably wouldn’t know about them – or know we’re supposed to beware of them – if it weren’t for William Shakespeare. Source: https://earthsky.org/human-world/beware-the-ides-of-march…