"The occurrence of super-Earths in so many other solar systems left astronomers with some unanswered questions: namely, "if super-Earths are super-common, why don't we have one in the solar system?" André Izidoro, an astrophysicist at Rice University in Houston, Texas,
said in a statement. "
An interesting theory, but I like this one more for the moment-
Brian Cox explores a planet that dwarfs all the others: Jupiter.
www.bbc.co.uk
I guess it may not be available outside of the UK, but there should be a transcript and I can post a spoiler in a following message if requested.