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An asteroid colliding with the Earth is not a just Hollywood fantasy. NASA and the Space Guard Foundation develop deflection plans to save the Earth from a comet, meteor or asteroid with Earth in its trajectory. Take a look at how the world is working together to keep our skies safe.
8 • Cosmic Front • 2014 • Astronomy
If humans could easily travel to Mars, it still remains to be proven that they can settle down there. Scientists are now designing and testing a new generation of spacesuits, dwelling-units and several other technologies in order to make it possible to live and work on the red planet.
2018 • Astronomy
The first close-up images of Pluto revealed unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbour life.
S5E3 • How the Universe Works • 2016 • Astronomy
Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower. Meteors burn up about 100 km above the Earth, but some survive to hit the ground. Most of these meteorites are rocky, some are metallic, and a few are a mix of the two. Very big meteorites can be a very big problem, but there are plans in the works to prevent us from going the way of the dinosaurs.
23 • Crash Course Astronomy • 2015 • Astronomy
Deep in the mountains of West Virginia, the Green Bank Observatory has been receiving a mysterious signal from deep space. Could this be a message from an advanced civilization, or is it a much stranger and violent occurrence? Visit the largest steerable radio telescope on the planet for answers.
2018 • Astronomy
The incredible secrets of the moon are revealed; the moon might be responsible for life on Earth.
S4E6 • How the Universe Works • 2015 • Astronomy