It indicates the halfway point of solar maximum, the height of solar activity, and the beginning of the shift toward solar minimum. The last time the sun’s magnetic field flipped was toward the end of 2013. To understand the magnetic field’s reversal, first, it’s important to be ...
根据第四段第一句“During solar minimum, the sun’s magnetic field is close to a dipole (偶极子), with one north pole and one south pole, similar to Earth’s magnetic field.(在太阳活动极小期,太阳的磁场接近偶极子,有一个北极和一个南极,类似于地球的磁场)”可知,作者在第四段第一句提到地球...
However, as far as I’m aware nobody has ever done it without assistance of a pole and a run up, so asking me would be pointless, ludicrous and would if punishment was handed out for failing bring the judge, their court and the rest of the legal system into disrepute. In effect it ...