Shadow Notes

A purple Moon with a bright white, wispy solar atmosphere billowing out around it. It fills the red and purple background.
The Sun, seen in red with bright orange area, partially covered by black circle coming from the top left – the Moon.

Harnessing the 2024 Eclipse for Ionospheric Discovery with HamSCI

3 min read

As the total solar eclipse on April 8, 2024, draws closer, a vibrant community of enthusiastic amateur radio operators, known…

A gray image showing the Moon in the center, a black circle around it, and white streams of light flowing out.

New ‘Eclipse Watch’ Tool Shows Eclipses from Space Any Time

4 min read

Do you wish you could see a total solar eclipse every day? With a new online tool called Eclipse Watch,…

Argentine students gather cloud observations and temperature data to upload through the GLOBE Eclipse tool during the eclipse that crossed South America on July 2, 2019.

Citizen Scientists Invited to Collect Data for NASA During Eclipse

4 min read

On April 8, 2024, as the Moon passes between the Sun and Earth, thousands of amateur citizen scientists will measure…

Sunlight passes through the Moon’s rugged terrain creating the Baily’s Beads effect during the total solar eclipse Aug. 21, 2017

Don’t Make Me Wait for April 8!

4 min read

Can’t wait to see the Moon block the Sun on April 8? Neither can we. But we have good news…

A smiling man wearing black rimmed glasses and a blue shirt with the cuffs rolled up is leaning forward, looking at something out of the frame. A young person, whose profiled face appears on the edge of the frame, is also looking at the same place. Three more young people are visible in the back of the room, standing in front of a wall of images.

Eclipse Citizen Science for Educators

3 min read

“Citizen” here refers to citizens of Planet Earth. These projects are open to everyone, regardless of country of birth or…

A map of the contiguous U.S. shows the path of the 2024 total solar eclipse stretching on a narrow band from Texas to Maine.

Contribute to NASA Research on Eclipse Day – and Every Day

4 min read

NASA is celebrating the Sun during the Heliophysics Big Year, which extends through the end of 2024. You can get…