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Particles point way for Nasa's Voyager
Source: BBC
15 June 2012 Last updated at 11:09 GMT
Particles point way for Nasa's Voyager
By Jonathan Amos
Science correspondent, BBC News
Scientists working on Voyager 1 are receiving further data suggesting the probe is close to crossing into interstellar space.
The Nasa mission, which launched from Earth in 1977, could leave our Solar System at any time.
It is now detecting a sharp rise in the number of high-energy particles hitting it from distant exploded stars.
The observation was predicted, and is another indication that Voyager will soon reach its historic goal.
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Read more: http://www.bbc.co.uk/news/science-environment-18458478
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