star Be part of April 1–30! star
Your mission is to protect astronauts from the effects of harmful UV light. Experiment with different materials to discover which blocks UV light the best. Tell us about your results to receive a mission completion certificates and to unlock a secret video featuring British astronaut Tim Peake. This global experiment will remain open so you can take part anytime.
Become a SciStarter Ambassador!
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Applications to join the final cohort in this inaugural class of SciStarter Ambassadors due May 2nd

Libraries and community organizations need your help to spark excitement for citizen science and keep the momentum going!

The SciStarter Ambassador Program offers FREE training to volunteers ready to make an impact in their communities.

Ready to make a difference? Complete your application by May 2nd to join the movement!