Since Spock isn't here to explain, allow me to try...
Where Do The Elements Come From?
Where Did All the Dark Skies Go?
When the Sun Disappears
Seeing Double -- Two Habitable Worlds in One Solar System
White Dwarfs, Red Dwarfs, and Blue Giants, Oh My!
Why Is The Sky Blue?
Another Earth Found? Maybe, Hopefully…
STRANGE NEW WORLDS: Uncovering The Mysteries Of Mars