"The Solar Family" is an 11-minute educational film produced by Encyclopedia Britannica Films in 1936. It presents the evolution of the solar system through the lens of the planetesimal hypothesis ...

HOPS-315 is also giving astronomers a new opportunity to study early planet formation, serving as a stand-in for newborn solar systems across the galaxy.

Previously, this phenomenon hadn’t been witnessed directly, and meteorites were the only source for information about the early formation of our Solar System.

The massive planet LHS 3154b orbits a star much smaller than Earth's sun, and its discovery could upend everything we think we know about how solar systems form.