We spruced up the page some— including fixing some nerdy stuff you don’t care about and adding links to some pretty pictures (up top) you might.

Also, they found spinel on the moon. I think (and Wikipedia confirms) that spinel, besides being a metamorphic mineral, shows up in chemically primitive mantle rocks, like peridotite, so it makes a little sense to show up on the volcanic, olivine-rich moon but, still, not something they were expecting to see.

Spinel, from Wikimedia Commons (through NASA)

In other not-expecting-to-see news, I’ll have a lot more to say about this in the future but, for some reason, it appears that even though they redshift as expected, quasars don’t show time dilation. That sentence should make cosmologists uncomfortable six ways from Sunday.

Advertisements