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PBS Space Time
Life on Europa?
New findings have increased the likelihood that there is a vast ocean lying under Europa.
Why is the Earth Round and the Milky Way Flat?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
Why is the Earth Round and the Milky Way Flat?
Season 2 Episode 20 | 10m 48s | CC
Our universe is not a very diverse place when it comes to shapes. Large celestial bodies become spheres, galaxies become discs, and there is little room for variation. Why is this? Well it turns out physics has some pretty strict rules when it comes to creating new planetary bodies.
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