3-D fireworks of a star: Astronomers reconstruct journey of emitted gas
Thursday, January 24, 2013 - 13:30
in Astronomy & Space
In 1901 the star GK Persei gave off a powerful explosion that has not stopped growing and astonishing ever since. Now astronomers have reconstructed the journey of the emitted gas in 3-D which, contrary to predictions, has hardly slowed down its speed of up to 1,000 km/s after all this time.