Deep Impact : Episode 54

Stream the movie:
iTunes | Amazon

Deep Impact

What: Morgan Freeman is president and a mountain-sized comet is heading towards earth. What do we do?
Directed by: Mimi Leder
Starring: Morgan Freeman, Teia Leoni, Elijah Wood

Recommended and Related Media

The Formation of the Moon
A physics simulation showing how the impact that formed the moon could have gone.

Asteroids in Resonance with Jupiter
Another physics sim of two groups of asteroids in resonance with Jupiter.

Death from the Skies by Phil Plait
An entertaining review of the myriad ways the earth could meet its end.
Read it with your eyes iTunes | Amazon

Solar System Collision Calculator
Old-school web 1.0 application to help visualize the scale of impacts from asteroids etc.
Check it out @ Astronomy Workshop

Show Notes

Deep Impact selfie

Citizen Astronomy

People. Computers. Computer vision. KIC 8462852.


Extinction level events. Dinosaur impact. Impactor scales.

Impactor Types

Meteors, meteorites, meteors, comets, asteroids.

Avoiding Impacts

Gentle (nuclear bombs), and less gentle (gravity tug) methods of redirecting impactors.

Earth Impacts

Tunguska, dinosaur impact. The difference between a small number of large impacts and a large number of small ones.

Humanity’s Fate

Floods, atmospheric disruption, a world aflame from the heat of a million impactors.


I’ll see you next Tuesday.

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