A Merger Solves a Puzzling Paradox in Orion
Some of the Hubble Space Telescope's earliest observations were of the Orion Nebula. Those images showed proplyds, and subsequent observations uncovered a paradox centered on them. Given their rate of mass loss, those disks should have been destroyed long ago. Why weren't they?
We haven't written up this one. Universe Today has the full story — the link below goes straight to it.