Do you know anything about astronomy?

I took a course in astronomy at college.

And so you get all this useful information in astronomy by making the Doppler shift measurements of binary systems.

If confirmed, the status and name of the new planet - which would become the ninth and potentially the largest - would then have to be agreed by the International Astronomical Union.

"I don't rule out the likelihood that astronomy played a role" in the selection of 2012 as the cycle's terminus, he said.