I think the answer is the sun but i could be wrong
<em>The Jan. 21</em> total lunar eclipse will be the last one until May 2021, and the last one visible from the United States until 2022; the most recent total lunar eclipse previous to this one appeared in July 2018.
Answer:
not nucleus, only nucleoid
Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic