YSES
YSES is an acronym meaning "Young Suns Exoplanet Survey", a research project to find and characterize exoplanets around young stars.
Wikipedia articles related to this subject include:
- YSES 1, a star in the Musca constellation, which produced the first-ever direct image of multiple bodies orbiting a Sun-like star
- YSES 2, a star in the Musca constellation