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An alien star passed through our Solar System just 70,000 years ago, astronomers have discovered. No other star is known to have approached this close to us.

2015-02-18

 star gravity Solar system
If a steady stream of mini-stars can be created, then a power station could be constructed.

2009-02-16

 energy nuclear fusion Iter clean star hydrogen helium tritium deuterium
Astronomers have recorded the most powerful radiation blast from deep space yet detected. The source of the blast is assumed to be the catastrophic implosion of a star, to create a black hole.

2009-02-20

 star black hole implosion gamma ray
Iggy Pop's endorsement of car insurance has prompted accusations of selling out. But does anyone really care any more?...

2009-02-20

 advertisement star selling out independence singer actor
When the world's most powerful laser facility flicks the switch on its first full-scale experiments later this month, a tiny star will be born on Earth...

2009-05-22

 physics laser fusion astronomy nuclear star diamond energy
Police in Belgium are investigating a complaint from a teenager who says a tattooist peppered her face with stars after she asked for only three.

2009-06-17

 star tatoo Belgium
Tiny black holes near the galaxy's centre can fling stars out of the Milky Way at break-neck speeds. Previously, only the supermassive black hole there was thought to be able to produce these "hypervelocity" stars. ... predicted in 1988 that the monster black hole at our galaxy's centre should disrupt pairs of stars, capturing one and launching the other out of the galaxy altogether. Since 2004, astronomers have found...

2006-09-13

 Milky Way star black hole
Its goal is to generate temperatures of more than 100 million degrees Celsius and pressures billions of times higher than those found anywhere else on earth, from a speck of fuel little bigger than a pinhead. If successful, the experiment will mark the first step towards building a practical nuclear fusion power station and a source of almost limitless energy.

2008-12-27

 star energy nuclear fusion
Astronomers at the University of St Andrews worked on an international study of the star Epsilon Aurigae, from the Auriga constellation. Every 27 years it becomes dimmer, a phenomenon which lasts for two years. The physicists combined light from four telescopes to get the first image of the eclipse, which is 140 times sharper than images from the Hubble telescope.

2010-04-07

 star eclipse cycle
A colossal star many times the mass of our own Sun is seen growing in a bubble of excited gas just pictured by the Herschel space observatory.

2010-05-06

 Herschel space telescope birth star astronomy
I'm angry that we are no longer able to enjoy a dark garden or clearly see the night sky. It's like having to inhale a smoker's cigarette smoke...

2010-04-15

 pollution night sky astronomy star darkness light

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