Neural Network Cleans Stellar Noise from the Search for Distant Worlds
For six straight years, the HARPS-N telescope on La Palma island stared at the Sun as if it were a distant star — taking spectra, tracking brightness, and recording every quiver of spectral lines. All this was to understand how to distinguish a star's subtle sway from a genuine planetary signal.
A star doesn't sit still: its surface boils like a pot of soup.