PDS 70 is a young star, only about 5 million years old—practically a newborn compared to our 4.6-billion-year-old sun. Surrounding it is a disk of gas and dust, ...

The PDS 70 planetary system is 370 light-years from Earth. There are two confirmed protoplanets, gas giant exoplanets, inside this system: planets b and c. ...

PDS 70 is little more than a toddler in stellar terms, at just around 5 million years old. If this seems ancient, consider that our "middle-aged" solar system is around 4.6 billion years old.

Donuts of dust: An artist’s impression of the PDS 70 system with protoplanets, each surrounded by dust rings illuminated by starlight. The planets themselves (not to scale) have thin rings of ...