The question of astrobiology

By Lisa Harvey-Smith

“So – what do you do?”

The question dreaded by astronomers seeking a quiet social evening. When I do fess up, quite often I get a grilling about alien life on other planets.

The truth is that most astronomers have little stake in finding life on other planets. Our work primarily focuses on studying a particular type of star or galaxy, or probing the physical or chemical processing that drive the evolution of our universe.

So when I was invited to give a talk about the Square Kilometre Array at the Australian Astrobiology Conference, held at the University of New South Wales last week, I was interested but a bit perplexed. What is astrobiology?

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