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Blobrana


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Meteor numbers underestimated

Twenty million Chelyabinsk-sized asteroids could have near-Earth orbits, warn astronomers. Also; Kepler turns its focus on black holes and supernovae, and an out-of-control satellite crashes to Earth.

 Duration: 00:29:24; File size: 26MB 941kb


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Blobrana


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Earth-like planets may number in the billions

One in five suns in the Milky Way could have an Earth-like planet. Also; the crab pulsar putting astronomers in a spin, and Comet ISON is it fabulous or a flop?

Duration: 00:29:50; File size: 27MB 366kb 



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Blobrana


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Raving stars give Milky Way the wobbles

The Milky Way's stars move in a stellar mosh-pit. Also: the most distant galaxy ever seen, and alien oceans on the Saturnian moon Titan.

Duration: 00:31:17; File size: 28MB 700kb 



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Blobrana


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Electron avalanches may cause dark lightning

Mysterious high-energy gamma-ray flashes could be caused by electron avalanches. Also: the largest known star about to rip itself apart, and an out-of-control satellite about to crash back to Earth.

 Duration: 00:29:52; File size: 27MB 385kb


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Blobrana


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Dead Earth discovered in stellar graveyard

Shattered remains of a minor planet that once had water found orbiting a distant dead star. Also; racing against time to build an atomic clock to measure a cosmic constant; and the Nobel Prize in physics goes to Peter Higgs and Francois Englert.

 Duration: 00:28:53; File size: 26MB 496kb


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Blobrana


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New molecule changes view of ice moons

A newly discovered molecule could be abundant in the oceans on Jupiter's moon Europa. Also; supervolcanoes erupted on ancient Mars, and plastics found on Saturn's moon Titan.

 Duration: 00:29:31; File size: 27MB 72kb


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Blobrana


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Mass extinctions linked to Sun's galactic journey

A new study suggests mass extinction events are linked to the solar system's journey through the Milky Way's arms. Also; the neutron star that suddenly changes colour; and no methane, but more evidence of water on Mars.

 Duration: 00:29:41; File size: 27MB 216kb


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Blobrana


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Signs of galactic monster's last feast detected

Milky Way's monster black hole set to devour gas cloud as astronomers date its last feeding frenzy. Also; no evidence of significant methane levels found on Mars, and axial tilt may be the reason for the season but happy equinox anyway.

 Duration: 00:29:33; File size: 27MB 95kb


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Blobrana


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Defining planets and stars

What's the difference between a star and a planet? The line between them is starting to blur. Also: the discovery of what could be planet Earth's biggest volcano; and NASA's latest lunar probe blasts off on its maiden flight.

 Duration: 00:29:57; File size: 27MB 469kb


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Blobrana


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Titan's hard coating covers a soft centre

Saturn's largest moon Titan covered in a rock-hard shell of ice. Also; one of life's essential elements abundant on early Mars, and the world's most powerful rocket blasts off carrying a spy version of the Hubble Space Telescope.

 Duration: 00:29:59; File size: 27MB 509kb


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