00:00this is the moon something we can all see nearly every night shining brightly in the sky however
00:08these lunar swirls are less obvious to the naked eye and even scientists have long wondered what
00:13they were despite having been discovered way back in the 1600s however a new study posits
00:18an explanation for one of these swirls specifically called the reiner gamma swirl the moon no longer
00:24has a central magnetic field and magnetosphere however researchers now say that it must have
00:28small localized magnetic fields and that could have caused these swirls they say that when the
00:33sun's rays hit the lunar surface these many magnetic fields protect some parts but not others
00:38this causes a chemical reaction over time producing these iconic splotches of gray and well lighter gray
00:44still the cause of these isolated magnetic fields is still a bit of a mystery with the researchers
00:49writing impacts could cause these types of magnetic anomalies but there are some swirls where we're not
00:54sure how an impact could create that shape and that size of thing with a study outlining how it could
00:59be that subsurface lava could have cooled slowly in a magnetic field creating these magnetic anomalies
01:05on the surface
01:06on the surface
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