Science Many exoplanets rotate around their sun in days instead of years, as in our solar system. How do you explain this, and how can they maintain their atmospheres with those incredible speeds?
Observing What is the brown dwarf mechanism that allows an energy jet like the one Mayrit 1701117 has?
Science Why are globular clusters not considered galaxies? How far apart are their stars, and do their magnetic fields affect each other? Can a cluster’s stars have planets, and would you need sunglasses to travel through one?