View Full Version : Star Gobbles Up Its Friend

2005-Sep-06, 07:44 PM
SUMMARY: The ESA's Integral space observatory and NASA's Rossi X-ray Timing Explorer spacecraft have found a rapidly spinning pulsar in the process of consuming a neighbour. This discovery supports the theory that pulsars spin so quickly because they pick up material from a companion, which increases their mass. Pulsars were once stars more than 8 times as large as our Sun, but their intense gravity compacted them down to a size of about 20 km (12 miles) across.

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