What's this? I've surely walked past it many times without knowing it was even there. It appeared to be a marker or capsule regarding a...

If you want a glimpse of what the background starfield was during the 2017 total solar eclipse, look at the nearly full moon six months...

Many thanks for your comments, enthusiasm, and support after Astronomy Picture of the Day (APOD) selected Solar Eclipse Solargraph as its...

Quick, pursue the sunspot option cited in The Second Question After An Eclipse. This past week a bundle of sunspots have been growing...

How dark does the sky get during a total solar eclipse? During the 2017 event, I and others used Sky Quality Meters (SQMs) to quantify...

A daylong solargraph using photosensitive paper captured the entire solar arc interrupted by the moon passing in front of the sun, as...

To get the elephant out of the room, for US observers, the next total solar eclipse is April 8, 2024. Additionally, peruse the map of...

We all know, it's approaching. Here are some recent notes to myself. Corona http://www.predsci.com/corona/aug2017eclipse/home.phps....

Though the sun gets all the attention August 21, that's only half the story--or at least half the day. Consider the contributions of...

How will the 2017 solar eclipse impact solar energy generated in the United States? Large- and small-scale owners of photovoltaic (PV)...