Center of Jupiter is supposedly made of diamond, according to Clark.
Metallic hydrogen, presumably.
This instantly reminded me of "Chase for the Golden Meteor", a Jules Verne novel where a meteor made entirely of gold is discovered and is supposed to crash on Earth. The effects on the world markets are especially interesting. Of course, in this case it's a moot point because we can't get there, but at some point we will have the technology to do so.
The planet is now diamonds
All I can think of while reading this is, that must be where the crystaline entity comes from ;p
I thought it was to be involved in some sort of Ferengi heist of the entire planet.
In other news, De Beers makes a surprise investment in SpaceX.
Are we sure it's not Cubic Zirconia?
Yup, safe job: Predicting the centers of distant, dead stars.