Unexpected ripples discovered racing through a planet-forming disc around a distant star

Astronomers have detected strange, fast-moving wave-like structures within the dusty disc surrounding the star AU Microscopii. These features, captured by the Very Large Telescope and the Hubble Space Telescope, represent a phenomenon that was neither observed nor predicted by scientists until now.

The discovery involves unique dust formations orbiting AU Microscopii, a star known for its planet-forming disc. These ripples are moving at high speeds, creating a visual pattern that defies existing astronomical models.

The data was gathered using the European Southern Observatory's Very Large Telescope alongside the NASA/ESA Hubble Space Telescope. Because these wave-like features were previously unknown and unpredicted, they offer a new challenge to our understanding of how planetary systems evolve.

Source: ESOcast 77: Mysterious Ripples Found Racing Through Planet-forming Disc