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The Countdown

5 Space Photos that Speak to Our Human Existence – The Countdown, Episode 43

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Since at least the 1960s, astronauts and satellites have been snapping photos of planet Earth from on high. While many of these photos possess an intrinsic beauty, some hold important clues about the goings-on of the inhabitants below. In this episode of The Countdown, we bring you five images that speak loudly about the challenges [...]

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The Countdown

5 Strange Ways to Clean Up Our Space Junk – The Countdown, Episode 42

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According to NASA, more than 500,000 pieces of debris are tracked as they orbit earth. Individual pieces can travel at speeds of up to 28,000 kilometers per hour, creating a potentially dangerous situation for both satellites and astronauts alike. In this episode of The Countdown, we look at some of the strangest proposals to combat [...]

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The Countdown

5 Everyday Products Developed from NASA Technology – The Countdown, Episode 41

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NASA is known for hi-tech wizardry when it comes to spacecraft, but some of its technology has floated back down to earth and made it into products we use everyday. In this episode of The Countdown, we look at five products you’d never suspect were influenced by NASA. More to explore: NASA Spinoff Website – [...]

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The Countdown

Top 5 Space Stories of 2013! – The Countdown, Episode 38

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We rounded up the coolest, biggest and most important space stories of 2013 and asked the editors of Scientific American to vote for their top five. Here they are in our latest episode of the Countdown. More to explore : The Top 5 Space Stories of 2012 Scientific American‘s Top 10 Science Stories of 2013 [...]

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The Countdown

5 Things You Should Know about Comet ISON – The Countdown, Episode 36

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If you live in the U.S., chances are good you’ll be munching on turkey tomorrow in celebration of Thanksgiving. But millions of miles above your head, Comet ISON will make its closest pass to the sun. It’s still a big question mark what will happen next: ISON could be torn apart by the sun’s gravity. [...]

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The Countdown

5 Amazing Exoplanets – The Countdown, Episode 33

Artist's conception of TrES-2b, the darkest known exoplanet.

  More to explore: Exoplanet colour confirmed for first time: it’s blue, but not pale — and nothing like Earth (Scientific American Blog Network) http://blogs.scientificamerican.com/b… Diamond ‘Super-Earth’ May Not be Quite as Precious (University of Arizona) http://uanews.org/story/diamond-super… Strange Exoplanet’s ‘Backwards’ Orbit Explained by Extra Star, Planet (Space.com) http://www.space.com/19421-backward-a… Astronomers Find Most Ancient Planet Yet (Scientific [...]

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The Countdown

Water on Mars, and More – The Countdown, Episode 32

Marks left in Martian soil by the Curiosity Rover's SAM instruments, which were used to test for the presence of water. (Credit: NASA)

                More to explore: Universe May Be Curved, Not Flat (Scientific American) http://www.scientificamerican.com/art… Air Apparent: Pluto’s Eternal Atmosphere (Scientific American) http://www.scientificamerican.com/art… Astronaut and a Writer at the Movies (New York Times) http://www.nytimes.com/2013/10/01/sci… Analysis of Surface Materials by the Curiosity Mars Rover (Science Magazine) http://www.sciencemag.org/content/341… Ancient Supervolcanoes Revealed on [...]

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The Countdown

Voyager Enters Interstellar Space, and More – The Countdown, Episode 31

The Voyager 1 spacecraft. (Credit: NASA)

More to explore: Voyager 1 Leaves the Solar System—for Real This Time (Scientific American) Voyager Has Entered The Interstellar Medium (Scientific American Blog Network) Space Farming: The Final Frontier (Modern Farmer) The inside of our Milky Way in 3D (Max Planck Institute) Moon Mission to Suck Up Lunar Dust (Nature News) (Scientific American is part [...]

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The Countdown

Black Hole Devours Cosmic Cloud, and More – The Countdown, Episode 27

Links for the top five stories: The Other Blue Planet Neptune’s New Moon Sizing Up Neutron Stars Meteorite Reveals History of Mars’ Crust Black Hole Devours Cosmic Cloud

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The Countdown

5 Unsolved Space Mysteries – The Countdown, Episode 26

  More to Explore: Life on Mars Ultra-High-Energy Cosmic Rays Type 1a Supernovae Dark Matter The Fate of the Universe

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