
Lecture
Seventy-one percent of Earth’s surface is covered in oceans, but did you ever wonder why? Explore where Earth's ocean water came from and how we know
Join us for in-person and online events. We have events going on at the National Air and Space Museum in Washington, DC, at the Steven F Udvar-Hazy Center in Chantilly, VA, around the DC Metropolitan area, and online.
Lecture
Seventy-one percent of Earth’s surface is covered in oceans, but did you ever wonder why? Explore where Earth's ocean water came from and how we know
Astronomy Program
Take a look through our telescopes while you're out and about in Washington, DC, weather permitting.
In this free planetarium show, join Big Bird and Elmo as they explore the night sky with Hu Hu Zhu, a Muppet from "Zhima Jie," the Chinese co-production of Sesame Street.
Astronomy Program
Observe the Sun safely using a filtered telescope.
Astronomy Program
Get to know the night sky in this free, live planetarium show.
Astronomy Program
Observe the Sun safely using a filtered telescope.
Stay up late to celebrate the summer solstice and honor women in STEM with trivia, games, planetarium shows, and more!
Astronomy Program
Take a look through our telescopes during Sally's Night and Solstice Saturday, weather permitting.
In this free planetarium show, join Big Bird and Elmo as they explore the night sky with Hu Hu Zhu, a Muppet from "Zhima Jie," the Chinese co-production of Sesame Street.
Astronomy Program
Observe the Sun safely using a filtered telescope.