New findings from the ALMA telescope have revealed that planets are born in much smaller protoplanetary disks than astronomers suspected, some of which would fit with the orbit of Earth.

Exoplanet nurseries around infant stars can be much smaller than expected: 'It is astonishing'

Source: space
Source Link: https://www.space.com/the-universe/exoplanet-nurseries-around-infant-stars-can-be-much-smaller-than-expected-it-is-astonishing