Join the members of the historic Rosetta mission through the years as they launch, wait and then deploy the lander onto the comet 67P/Churyumov–Gerasimenko. Experience the dramatic highs and lows of the first mission to land a probe on a comet in space.
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Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relatively dull weather, while Neptune has clouds and storms whipped by tremendous winds. Both have rings and moons, with Neptune’s Triton probably being a captured iceball that has active geology.
19 • Crash Course Astronomy • Astronomy
As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion trillion trillion years, black holes will evaporate after 10^92 years, and then all will be dark. But there is still hope that a new Universe will be born from it.
45 • Crash Course Astronomy • 2016 • Astronomy
Commander Stephen Hawking takes another journey in his space ship, the SS Hawking, this time to Venus, the Sun and out to the Eagle Nebula...but things don't always go according to the flight plan...
2018 • Astronomy
We strip apart comets, peeling away their dusty layers and their iconic tails to reveal the secrets of these mysterious visitors from deep space.
S1E6 • Strip the Cosmos • 2014 • Astronomy
Even with a surface temperature of -180C, Saturn's moon, Titan, could be another Earth. There's evidence of dunes made of quantities of organic material that could contain the building blocks for DNA. Astrobiologists are conducting studies on the possibility that life could be present on Titan.
12 • Cosmic Front • 2014 • Astronomy