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The film, which follows a group of teens at NASA's space camp as they learn about the science and technology behind a trip to Mars, also features commentary by science popularizers Bill Nye, Neil deGrasse Tyson, Michio Kaku; astronaut Suni Williams, and Andrew Weir, author of The Martian. But it's not the grownups who make the film; none of them, with the exception of Williams, has any shot at all of walking on Mars. It's the kids, who can dream that dream, who are the deserved focus of the narrative.
2017 • Astronomy
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the Universe will expand forever, even as our view of it shrinks while space expands faster all the time.
43 • Crash Course Astronomy • 2015 • Astronomy
How does light escape from the sun? We take a journey from the centre of the sun, following the path of light. We witness its fiery birth from in the core, its 430,000 mile battle against gravity and magnetism, and its escape from the solar surface.
S3E1 • How the Universe Works • 2014 • Astronomy
Extraterrestrial life = Science Fiction. Not so fast! -- the Cassini probe has provided photos of Enceladus, where scientists have found geysers of water vapor. And then there is Gliese 581g, a planet with Earth-like conditions....what would life forms look like in these watery environments?
5 • Cosmic Front • 2014 • Astronomy
On a bright, cold morning on 15th February 2013, a meteorite ripped across the skies above the Ural mountains in Russia, distintegrating into three pieces and exploding with the force of 20 Hiroshimas. It was a stark reminder that the Earth's journey through space is fraught with danger. A day later, another much larger 143,000 tonne asteroid passed within just 17,000 miles of the Earth. Presented by Professor Iain Stewart, this film explores what meteorites and asteroids are, where they come from, the danger they pose and the role they have played in Earth's history.
New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to rewrite the history of our own solar system. Far from a simple story of stable orbits, the creation of our solar system is a tale of hellfire, chaos and planetary pinball. It's a miracle our Earth is here at all.