3 ms·
I’m guessing that the age of the system is defined by “first light” of the star (PDS 70), since once the star lights up, the cloud around it starts evaporating.
by Roboprog 8y ago
I’m guessing that the age of the system is defined by “first light” of the star (PDS 70), since once the star lights up, the cloud around it starts evaporating.