The Heliophysics Big Year
The Heliophysics Big Year is a global celebration of the Sun’s influence on Earth and the entire solar system. From Oct. 14, 2023, to Dec. 24, 2024, we are challenging you to participate in as many Sun-related activities as you can!
A Big Year for Our Sun
During the Heliophysics Big Year, we are challenging you to participate in as many Sun-related activities as you can!
Whether it's watching a solar eclipse, experiencing an aurora, participating in citizen science projects, or hosting a Sun party, we've got a year full of ways to celebrate the Sun!
Learn more from Nicky Fox, associate administrator of NASA’s Science Mission Directorate at NASA Headquarters.
Highlights of the Big Year
Annular Eclipse
On Oct. 14, 2023, an annular eclipse was visible from parts of the western United States.
Parker Solar Probe's Closest Approach
On Dec. 24, 2024, a record-breaking NASA mission will make its closest approach of the Sun.
Monthly Themes
Experiencing the Sun
March 2024
The Sun may be 93 million miles away, but we can still experience it from home, whether it's watching eclipses, auroras, or observing its daily influence on our lives.
How NASA Explores Our Sun
Experiencing the Sun
March 2024
Both in and out of doors, there are so many ways to experience our closest star.
Go outside and make eclipse chalk art!
If you live at high (or low) latitudes, learn how to see the aurora
Build a solar-powered car
Make a UV bead bracelet
Bake a Sun pie
Play Snap it! An Eclipse Photo Adventure
Host a Sun Party!
Experiencing the Sun
March 2024
There's more to the Sun than meets the eye! Get started with these key facts about the star at the center of our solar system.
Key Facts About Our Sun
