A new study reveals early Jupiter was twice its current size with a magnetic field 50 times stronger.

Jupiter used to be twice as big as it is now — it could have held 2,000 Earths

Source: space
Source Link: https://www.space.com/astronomy/jupiter/jupiter-used-to-be-twice-as-big-as-it-is-now-it-could-have-held-2-000-earths