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Planets smaller than giants like Neptune but bigger than Mars and Earth are the most common type of planet. Why doesn't our Solar System have any of these? UCLA astronomer Erik Petigura talks about planets that are mid with Robyn Williams for The Science Show. 🔭🧪
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Erik Petigura is a professor of physics and astronomy at UCLA who specialises in discovering planets smaller than giants like Neptune and bigger than Mars and Earth. Our Solar System has none of thes...
In praise of mid-sized planets - ABC listen
www.abc.net.au
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