Free Astronomy Magazine March-April 2016

STELLAR EVOLUTION MARCH-APRIL 2016 37 s not twins S pectacular image of Eta Cari- nae obtained with the Hub- ble Space Telescope. The bilobed structure of gas and dust surrounding the binary star took form as a result of the Great Eruption, whose peak was reached between 11 and 14 March 1843. [NASA, ESA and the Hubble SM4 ERO Team]