How to Calculate Time With an Islamic Astrolabe
Season 50
Episode 2
About the Episode
The instrument only requires the observation of the sun’s position to begin making calculations.
Aired:
| Expires: | Runtime: 2m 38s
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Extras
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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 -
Venus: The Planet With Battery Acid Clouds
This is what it would be like to walk on the surface of Venus.3:27 -
Hurricanes Are Getting More Destructive
Recent hurricanes blow away records for destruction, costing over a trillion dollars in 20 years.4:15
