New research into the interior of Mars further emphasizes that the Red Planet is a world of two very different halves.
Deep inside the southern hemisphere of Mars, the temperature is up to 750 degrees Fahrenheit (400 degrees Celsius) warmer than beneath the northern hemisphere, deepening the mystery of the strange dichotomy between the Red Planet's flattened north and craggy southern highlands.
"Scientists usually assume that the interiors of planetary bodies are generally spherically symmetric, but this is not necessarily true," said Alexander Berne, formerly of Caltech and now at the University of Arizona, in a statement. Berne is the lead author of a new research paper revealing the discovery of the strange southern hotspot.


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