With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.
Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...
The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...