aurorae

Called Auroral Kilometric Radiation (AKR), the noise is generated by the same shaft of solar particles that produces an aurora in the atmosphere below.

所谓千米辐射，噪声是由太阳粒产生，而粒又产生大气底层。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北圈范围，月下除了能够看到天上明亮星外，变幻莫测往往在�上著演一幕又一幕天文表演。