Tom, I believe there are many more discoveries like this to be made. Every age likes to imagine it knows nearly everything there is to know, and so far every one has been proven wrong.,(reply>), "I know that I know nothing",(reply>), @DoppleSoddner those aren’t something that can be discovered by just looking at something with your eyes, you need instruments and devices,(reply>), Exactly. In a millenium, future people will look back on us and consider our knowledge primitive and rudimentary.,(reply>), Dark matter , dark energy,(reply>), Of course there are more discoveries to be made — but discoveries like this? Something which is there and blatant, that only needs someone with the right knowledge look at it with their eyes, with no need for fancy instruments, and which has major implications?<br>Any really low hanging fruit?<br>I’m not so sure of that.