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Arizona Science Center
Arizona Science Center: Dorrance DOME After Hours – Worlds Beyond Earth
Arizona Science Center Arizona
- April 30, 2026 at 7:00 AM
CommunityGeneral Science
sun
within 25 miles
Apr 11, 2026
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Arizona State University
Arizona State University: Earth Day Stadium Walk 2026
Mountain America Stadium Arizona
- April 22, 2026 at 7:00 AM
CommunityGeneral Science
SETI Institute + Unistellar Citizen Science
Artificial Satellites
Understand the impact that satellites have on the night sky
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space
SETI Institute + Unistellar Citizen Science
Asteroid Occultations
Learn about asteroid characteristics and their orbits
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space
Astronomy On Tap
Astronomy on Tap Leiden: The Sun and Stars
Culture Café Leidse Lente
- April 13, 2026 at 6:00 PM through 8:00 PM
Community
NASA / Zooniverse
Backyard Worlds: Cool Neighbors
Discover the Sun’s most extreme cosmic neighbors.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space_nasastarsspaceresearchastronomynasa-supportednasa-sciactbrown dwarfsexoplanets
NASA / Zooniverse
Backyard Worlds: Planet 9
Search the realm beyond Neptune for new brown dwarfs and planets.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacenasa-sciactplanet ninenasawisesolar systemtop viewed 2021planets_nasabrown dwarfsstarsnasa-supported
The Children's Museum at La Habra
Catepillar Adoption & Earth Day Festival
Join us for our Annual Caterpillar Adoption & Earth Day Festival, where you can adopt your own Painted Lady butterfly and enjoy a day of hands-on STEM activities!
at Children's Museum at La Habra, 301 South Euclid Street, La Habra, CA, 90631, USA
- April 18, 2026 at 5:00 PM
CommunityFestivalLive ScienceBiologyEcology & EnvironmentGeneral ScienceInsects & PollinatorsNature & Outdoorskidsnaturemuseumcaterpillars
Southwest Research Institute
Citizen CATE 2024 (Citizen Continental-America Telescopic Eclipse 2024 experiment)
Measure polarized light to understand the magnetic field & plasma in the corona
Multiple locations, including yours!
- Ongoing
Citizen ScienceAstronomy & Spacenasa-supportedtelescope_nasasolar coronaeclipsecamera
CactusToCloud Institute
Coachella Valley Wildflowers
Discover flowers in the desert and mountains of the Coachella Valley.
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsEcology & EnvironmentBiologydesertnaturesuperbloomintaturalistphenologywildflowerspring