Now we can say that planets around pulsars are probably not that unusual. Maybe planets can form around any kind of star.

Now we can say that (planets around pulsars) are not uncommon.

But if you're the type that agrees we don't really know what life is in the broad sense, then I have no idea.

If you have a metal rich environment, it's not that hard to make rocky planets out of it in a very short time.

This discovery demonstrates that the planet-creation process is a very robust and a very universal one.

This book is an agglomeration of lean-tos and annexes and there is no knowing how big the next addition will be, or where it will be put. At any point, I can call the book finished or unfinished.