Skip to main content
Exoplanet siblings

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have found the possible ‘sibling’ of a planet orbiting a distant star. The team has detected a cloud of debris that might be sharing this planet’s orbit and which, they believe, could be the building blocks of a new planet or the remnants of one already formed.

If confirmed, this discovery would be the strongest evidence yet that two exoplanets can share one orbit.

Read more at ESO: https://www.eso.org/public/news/eso2311