Australasian Science: Australia's authority on science since 1938

Out of This World


The PacMan-shaped hot spot has baffled scientists. Image: NASA/JPL

By David Reneke

Dave Reneke brings news from the space and astronomy communities around the world.

David Reneke is an astronomy educator, writer and broadcaster who represents Australasian Science on more than 60 networked radio stations across Australia. He also produces a range of educational CD-ROMS on astronomy and space exploration for beginners, and runs an astronomy outreach program for schools throughout NSW. Subscribe to David’s free Astro-Space newsletter at

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