NASA/JPL-Caltech
In an astronomical first, we may have directly observed a star forming at the same time as a planet that orbits around it is still growing, proving a long-held theory about planet formation.
Planets are thought to form in a disc of dust and gas, also known as a protoplanetary disc, surrounding the host star. Theoretical models suggest planets should begin to form while the host star is still growing – but until now, we have only seen evidence of planet formation after the star itself had formed.
Looking at …
source: newscientist.com