Suspected second-generation planet solves Hubble cold case for NASA
Scientists studying a distant white dwarf star say the star may host a second-generation planet formed from cast-off material.
Scientists studying a distant white dwarf star say the star may host a second-generation planet formed from cast-off material.
© Copyright 2026 Arizona Daily Star, PO Box 26887 Tucson, AZ 85726-6887
Get up-to-the-minute news sent straight to your device.