Faintest planet ever spotted from Earth has been hiding in plain sight

TL;DR - Researchers discovered Beta Pictoris d, described as the faintest planet yet observed from Earth. The detection method could help reveal other extremely dim exoplanets.

• Beta Pictoris d had previously remained hidden despite existing observations.
• The work demonstrates a method for detecting planets with exceptionally weak signals.
• The provided summary does not specify the method’s technical details or the planet’s properties.