4 exoplanets & a massive debris disk orbiting the main-sequence star HR 8799 about 133 light-years away, captured over the course of 7 years. They are classified as super-Jupiters & have orbital periods ranging from decades to centuries in Earth years. (Credit: Keck Observatory, Jason Wang, et. Al)

Source • Posted on 2024/09/22 • Report as duplicate • Report

r/spaceporn u/G_Marius_the_jabroni