Professor Brian Cox reveals the history of Saturn. Saturn began life as a strange planet of rock and ice and in time transformed into a gas giant, ring-less and similar looking to its rival, Jupiter.
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The rocky planets Mercury, Venus, Earth, and Mars were born at the same time from the same material - yet have lived radically different lives. What immense forces are at play?
2019 • Astronomy
Professor Brian Cox continues his tour of the solar system revealing that it was once home to not one, but two blue planets.
2019 • Astronomy
Brian Cox continues his exploration of the solar system with a visit to a planet that dwarfs all the others: Jupiter. Its size gives it a great power that it has used to manipulate the other planets.
2019 • Astronomy
Professor Brian Cox reveals the history of Saturn. Saturn began life as a strange planet of rock and ice and in time transformed into a gas giant, ring-less and similar looking to its rival, Jupiter.
2019 • Astronomy
In the final episode, Professor Brian Cox journeys to the remotest part of the solar system, a place that the most mysterious planets call home.
2019 • Astronomy
IMSF and Lukrum establish a tenuous coexistence with a common water source. In the present day on Earth, activists protest Arctic oil drilling.
Flying through bad weather can be a harrowing experience, and for NASA, it can be doubly unnerving, as violent storms can strike from below the atmosphere or above it. Witness the true power of nature in space and on Earth as astronauts and ground crews battle to overcome the elements, including a severe lightning strike that crippled Apollo 12's computer system, the freezing temps that compromised the Space Shuttle Challenger, and the tempest of space debris that sent a dead satellite on a collision course with the International Space Station.
S1E5 • Space Disasters • 2020 • Astronomy
Earth is the only home we've ever known, and it's treated us well so far. But whether it’s climate change, an apocalyptic asteroid, or some horrifying disaster we don’t even know about yet, the Earth won't live forever.
Today we are talking about the life -- and death -- of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years. More massive stars like the Sun live shorter lives. They fuse hydrogen into helium, and eventually helium into carbon (and also some oxygen and neon). When this happens they expand, get brighter, and cool off, becoming red giants. They lose most of their mass, exposing their cores, and then cool off over many billions of years.
29 • Crash Course Astronomy • 2015 • Astronomy
Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is, it is incredibly important for our own future.
S1E2 • The Fermi Paradox • Astronomy
The story of how an underground group of scientists took on the establishment to send a spacecraft to the most distant world ever seen up-close. It would be an astounding, yet life-affirming journey for all.
S1E8 • Secrets of the Solar System • 2020 • Astronomy