In a possible exoplanetary first, astronomers have presented evidence of a planet orbiting around all three stars in a trinary star system. If true the planet would likely be massive, and revealed itself via its gravity torqueing a huge disk of gas and dust surrounding the stars, and carving a deep gap in it as well.
The star system is called GW Orionis (or just GW Ori), about 1,300 light years from Earth. It’s what’s called a hierarchical trinary, meaning it has two stars orbiting each other i...
Published on October 05, 2021 06:00