Type II supernova – Astronomy Now

11 June 2026

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Amateur astronomer makes once-in-lifetime discovery

23 February 2018 Astronomy Now

Testing a new camera, an amateur astronomer in Argentina captured the initial outburst of light from a supernova some 85 million light years away, a chance discovery that amounts to winning a cosmic lottery.

Lopsided star explosion holds the key to other supernova mysteries

8 May 2015 Astronomy Now

New observations of the remnant of supernova (SN) 1987A are confirming supercomputer model predictions made at Caltech that the deaths of stellar giants are lopsided affairs in which debris and the stars’ cores hurtle off in opposite directions.