Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA) made a rare detection of a likely stellar flyby event in the Z Canis Majoris (Z CMa) star system.
Click here for original story, ALMA Catches An Intruder Redhanded In A Rarely Detected Stellar Flyby Event
Source: Astronomy