The Science of Unidentified Aerial Phenomena
Season 48
About the Episode
According to a recent report released by the U.S. government, nearly 150 aerial objects observed between 2004 and 2021 remain unidentified—with the exception of one large deflated balloon. But what if there’s another explanation out there? Could extraterrestrial intelligence explain some sightings? To find out, Dr. Alok Patel explores the possibilities with an astrophysicist and a NASA engineer.
Aired:
| Expires: | Runtime: 28m 07s
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Extras
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Building Stuff: Reach It! Preview
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.0:30 -
Could Mars Have a Ring Around It One Day?
The moon Phobos has a mysterious origin but a certain expiration date.2:16 -
Cameras Capture Earthbound Meteorite
Some large meteorites survive their descent through our atmosphere and land on Earth.1:39 -
This Moon May Have the Ingredients for Life
The ocean beneath Europa’s icy shell might be an ideal environment for life.2:14 -
Could This Icy Moon’s Ocean Support Life?
Hydrothermal vents in Enceladus’ ocean may hold the promise of life.1:21 -
Enceladus: A Frozen Moon With Explosive Eruptions
Enceladus’ small size and icy surface is no limitation to its extreme volcanism.1:56 -
How the Martian Atmosphere Helped Nasa’s Rovers Restore Energy
Martian dust devils may have helped NASA’s rovers restore power during mission.2:59 -
Why Do Comets Have Tails?
As comets cross the invisible boundary known as the ice line, their ice starts turning into gas.0:55 -
This Tiny Moon Is a Volcanic Powerhouse
Io’s intense volcanic activity defies all expectations.2:45 -
How a Walnut-Shaped Moon Help Shape Saturn’s Rings
For millions of years, a tiny moon has made a significant impact on the structure of Saturn’s rings.2:35
