NIR excess
a big puzzle, but instead of pieces, they're using clues from space!
Technical definition
an excess of near-infrared radiation from dust echo at large radii or free-free emission from ionized circumstellar material, ejecta, or disk wind.
a big puzzle, but instead of pieces, they're using clues from space!
an excess of near-infrared radiation from dust echo at large radii or free-free emission from ionized circumstellar material, ejecta, or disk wind.