Returning (whether or not by popular demand). Also, astronomy.

Regular visitors will have noticed a recent lack of regular posts. Sorry about that, but the past few weeks have just been ... busy. Not in a bad way, but still. And a particularly Good Thing recently taking up my time will, I expect, soon be the subject of an announcement post.

With that mea culpa out of the way, on to things that should prove more interesting ....

How do planets form? How quickly? A recent study of neon isotopes distribution in ancient basalts suggests accretion from the prot...