[Rockhounds] Rocky exoplanets consist of exotic rock types

[Paul]

Alien Worlds Hold Minerals Like Nothing
in Our Solar System, Scientists Say
Michelle Starr, Science Alerts, November 17, 2021
https://www.sciencealert.com/rocky-exoplanets-might-have-minerals-like-nothing-in-the-solar-system

Rocky Exoplanets Are Even Stranger Than We Thought
A new astrogeology study suggests that most nearby rocky
exoplanets are quite unlike anything in our Solar System
noirlab2127, NFS Science Release, November 2, 2021
https://noirlab.edu/public/news/noirlab2127/

The open access paper is:

Putirka, K.D. and Xu, S., 2021. Polluted white dwarfs
reveal exotic mantle rock types on exoplanets in our
solar neighborhood. Nature Communications, 12(1), pp.1-7.
https://www.nature.com/articles/s41467-021-26403-8

Yours,

Paul H.