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Dragon roars on historic first flight

A new era in space travel begins as a private spacecraft heads to the International Space Station. Also; new evidence black holes stop new stars being born, and a spectacular annular eclipse thrills skywatchers.

 Duration: 00:29:21; File size: 26MB 936kb


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Sun too slow to create shock wave

Our solar system is moving through space slower and in a different direction than previously thought. Also; some asteroids have planet-like properties, and revealing the mysteries of white dwarf stars.

Duration: 00:28:58; File size: 26MB 572kb


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Scientists catch black hole devouring star

Astronomers witness a black hole ripping apart and destroying a star. Plus; the truth about last weekend's 'super Moon', and SpaceX flight delayed again

 

Duration: 00:29:24; File size: 26MB 944kb



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SpaceX set to make history

All systems go for the launch of the first private spaceflight to the International Space Station. Plus; gamma ray bursts ruled out as the source of cosmic rays, and plans to mine asteroids.

Duration: 00:31:53; File size: 29MB 236kb


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Nobel Laureate reveals secret to success

Professor Brian Schmidt tells how dying stars led to Nobel notoriety. Plus; scientists create a cloaking device, the world's smallest transistor and measuring the perfect kilogram.

 Duration: 00:25:39; File size: 10MB 364kb


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 Life on Mars lurking in old data?

Fresh look at data from NASA's Viking landers suggests evidence of life on the red planet. Plus; new data confirms the presence of dark energy and North Korea's failed launch into space.

Duration: 00:34:26; File size: 31MB 824kb


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SKA decision delayed

No decision yet about over who will host the world's largest radio telescope as a new working group examines the bids. Plus; supernova remnant Cassiopeia-A has turned itself inside out, and did the Moon sink the Titanic?

Duration: 00:34:07; File size: 31MB 288kb


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What's Earth really made from?

Scientists say it's time to abandon existing theories that Earth is composed of the same material as chondritic meteoroids. Plus, pinpointing when dark energy became the dominate force in the universe, and North Korea prepares controversial missile launch.

Duration: 00:25:34; File size: 23MB 420kb



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Theory of Moon's origin questioned

Chemical samples that show the Earth and the lunar surface are virtually identical challenge theories about how the Moon was born. Plus Mercury's unusual internal dynamics raise fresh questions, and an Australian submarine reaches lowest point on Earth.

Duration: 00:32:08; File size: 29MB 444kb

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