Nasa's Messenger was the first spacecraft to orbit our solar system's inner most planet Mercury. Turns out it's not just a dormant, scorched rock but a dynamic place, with an enormous internal core relative to its size.
3 min
About Beyond Infinity
From the publisher's feed
Broadcast every Tuesday at 11am AEDT on Radio Port Phillip 98.7 or 98.3 FM. It’s your weekly dose of science and technology.
Including features on cool gadgets, website reviews, the latest science and IT news, not to mention astronomy and space exploration.
http://beyondinfinity.com.au/
Special thanks to John Young, Paul Wattie, Steve Meyers, Brendon Telfer and the team at RPPfm.