Is Fomalhaut b a Real Exoplanet? How the ‘First Visible-Light Exoplanet’ Likely Vanished
Fomalhaut b is now considered not to be a real exoplanet. Follow-up Hubble observations showed the object fading and expanding…
debris disk
Ring or belt of dust and small bodies around a star, produced by colliding planetesimals and revealed by scattered light or infrared emission.