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Latest Videos

How to Make a Pinhole Projector

Want to see an eclipse without wearing solar glasses? Try this easy trick to make a pinhole projector.


Path of Totality - Bill Nye & the Totally Awesome Total Eclipse

Bill Nye explains the basics of a solar eclipse, the path of totality, and how to safely view a solar eclipse with National Park Ranger Coral O'Riley.


Syzygy on Mars - Bill Nye & the Totally Awesome Total Eclipse

Bill Nye loves syzygy and Dr. Ashwin Vasavada from JPL talks about a curious eclipse on Mars.


Science on the Sun - Bill Nye & the Totally Awesome Total Eclipse

Bill Nye explains how to see the Milky Way after a solar eclipse and Dr. Tyler Nordgren shows an ancient eclipse petroglyph.


Dinosaurs vs. Asteroids - The Planetary Post

The dinosaurs didn't have a space program, but we do! Learn more about what we're doing to protect the Earth from asteroids and how you can help.


How to Deflect an Asteroid

If an asteroid is going to impact the Earth, what do we do? In this video, we'll cover the variety of techniques (and various states of readiness) to deflect an asteroid to save the Earth.


How Do We Characterize Asteroids?

If we need to deflect an asteroid to save the Earth, we have to characterize it. Watch our video to learn why asteroid characterization is critical to saving the Earth from asteroid impact.


How Do We Find Asteroids?

We don't know how to prevent an asteroid impact if we don't first find the asteroid. Watch this video to learn how we find asteroids.


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