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Astronomers discover pulsar undergoing radical transformation

Source: http://www.independent.co.uk/news/science/astronom...

From The Independent (Online)

It is so dense that a teaspoonful would weigh the equivalent of a mountain.

The star, named PSR J1824-2452I, shifts backwards and forwards between emitting X-rays and radio waves. This 'switch' is caused by the rise and fall of gas streaming onto the pulsar from a companion star,according to Nasa.

This is the first direct evidence of a pulsar changing from one kind of object into another – like a caterpillar turning into a butterfly, ” Dr Simon Johnston, Head of Astrophysics at CSIRO’s Astronomy and Space Science division told Before it's News.

It was discovered by astronomers using a fleet of orbiting X-ray telescopes, including NASA's Swift and Chandra X-ray Observatory.

The European Space Agency International Gamma-Ray Astrophysics Laboratory detected a flash of X-rays on 28 March this year. The pulsar was observed by Swift's X-Ray telescope the following day.

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