A list of wonderful atmospheric optical phenomenon can be found here. My personal favorite being “The moon illusion”.
On the strong 5577Å spectrum line
- The night sky emits strongly at 5577.338Å and is observed in all astronomical spectra. This post explores the origins of this sky emission.
Oxygen: The greenish color of life
- This article from astronomy.com dwells deeper into the topic of Oxygen and Astronomy.
- Talking about the miracle molecule which keeps us alive, I recommend listening to the episode titled “Breath” from Radiolab. This is a great episode where ” try to climb into the very center of this thing we all do, are all doing right now, and now, and now.“