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Latest Videos

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.


What is Planetary Defense?

Planetary Defense is the term that describes how to protect the Earth from asteroid impact. In this video series, we're going to explore a 5 Step Plan to preventing asteroid impact.


How to Save the World from Asteroids Together

No matter how you look at it, asteroid impact is an international issue that requires international coordination. Watch this video to learn what is required for an international disaster response to an asteroid threatening Earth.


How Do We Know If An Asteroid is Going to Hit Earth?

How do we know if an asteroid is going to hit Earth? The answer is tracking! Watch this video to learn how tracking asteroids can save the Earth from an asteroid impact.


Defending Our Planet, Featuring Dr. Amy Mainzer - The Planetary Post

How can we protect the Earth from an asteroid impact? Watch this episode of The Planetary Post with special guest Dr. Amy Mainzer of NASA's Jet Propulsion Laboratory. Also, CEO Bill Nye continues our co-founder Carl Sagan's vision for solar sailing with a special appearance on The Late Show with Stephen Colbert.


Intro Astronomy 2017. Class 14: Galaxies, the Universe, Life

Lecture 14 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers galaxies (our place in the Milky Way, types of galaxies, Hubble Deep Field), the Universe (determining distances, expansion of the universe, Big Bang theory and evolution of the universe, WMAP and Planck results, dark matter, dark energy, neutrinos), and life in the universe (Earth life requirements, astrobiology, SETI). Recorded at California State University Dominguez Hills.


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