"A strong magnetic field is very important for life on a planet."

Super-Earth exoplanets may have built-in magnetic protection from churning magma — and that's good news for life

Source: space
Source Link: https://www.space.com/astronomy/exoplanets/super-earth-exoplanets-may-have-built-in-magnetic-protection-from-churning-magma-and-thats-good-news-for-life