A big shout out to my student Areej in 6D, who brought me in a cool news clipping about a planet (we think might be made out) of Diamond.
(A note to my other students: I love this kind of stuff; if you find anything interesting and science-related, please bring me in the clipping or link.)
Now, back to diamonds…
From Discovery News (This Diamond Will Last Forever):
Astronomers have found the remains of a once-massive star, now transformed into a solid diamond five times bigger than Earth.
The object circles a pulsing companion star about 4,000 light years from Earth in the constellation Serpens (The Snake), which lies about one-eighth of the way toward the center of the Milky Way galaxy.
Here’s an artists conception of the planet:

You can click on the link above to read the entire article online.
In related news, Neptune might have diamond oceans.