Orsola De Marco, Associate Professor of Physics at Macquarie U. will be guest speaker for August. She will present a talk on the subject “Planetary Nebulae: death shrouds of lonely stars or aftermath of binary interactions?” “Might planetary nebulae be the result of binary interactions instead of the death throws produced by withering middle weight stars? Their shapes do suggest so. Come and learn more about this alternative evolutionary scenario for some of the most popular objects in the sky!” Orsola is a great speaker, as some of you who have been to Macquarie Open Nights are aware, so don’t miss this one on Tuesday the 17th, at St Ignatius, at 7:30PM.
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