[jeffc]

and about 100bn of them may exist in our own galaxy, said Dr Alan Boss,

According to most astronomers, at least, real astronomers, there are only around 100 billion total stars in the Milky Way galaxy to start with - and not all of them are second-rate yellow stars, like our sun.
So there cannot be anywhere near 100 billion planets, much less Earth-like planets, in this galaxy!

[A_Tradition_Continues]

The Milky Way galaxy contains far too many nuts (Snickers)

[Moonman62]

The estimated number of stars in our galaxy was recently increased about ten fold.

[BobS]

There are that many. I saw several UFOs during the last 30 years. It appears they don't want anything to do with this planet. They have a way to accelleration that is beyond our current knowledge.

Einstein died trying to crack the uniform feild theory. Somebody else must pick it up.