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"The world is strange... but when you look at the details, you find out that the rules are very simple..."
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The dramatic, moving and powerful story of humanity’s conquest of Mars, told by the people who risked entire careers to explore the red planet. Did we find evidence for life back in the ’70s? Some believe we did.
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What if there was a museum that contained every type of life form in the universe? This experience takes you on a tour through the possible forms alien life might take, from the eerily familiar to the utterly exotic, ranging from the inside of the Earth to the most hostile corners of the universe.
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Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity versus temperature, and most stars fall along the main sequence, where they live most of their lives.
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The Hayabusa2 spacecraft has just completed one of the most intricate procedures in space exploration. The first mission to deliver rovers onto an asteroid has now descended to its surface for a sample, before returning back to Earth in 2020.
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The Viking missions to Mars may offer proof that life once existed there.
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