Aurora auroras is that an as-yet-undetected body around the dwarf star is throwing off material, as is the case with Jupiter and its moon Io. [[Category:Space plasmas]] [[Category:Arctic geography terminology]] [[Category:Atmospheric optical phenomena]] [[Category:Earth phenomena]] [[Category:Electrical phenomena]] [[Category:Light sources]] [[Category:Plasma physics]] [[Category:Planetary science]] [[Category:Sources of electromagnetic interference]] [[Category:Articles containing video clips]] Aurora An aurora (plural: auroras or aurorae), sometimes referred to as polar lights, northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in the Earth's sky, predominantly seen in the high-latitude regions (around the Arctic and Antarctic). Auroras are produced when the magnetosphere is sufficiently
Musca Borealis Musca Borealis Musca Borealis (Latin for "northern fly") was a constellation, now discarded, located between the constellations of Aries and Perseus. It was originally called Apes (plural of Apis, Latin for bee) by Petrus Plancius when he created it in 1612. It was made up of a small group of stars, now called 33 Arietis, 35 Arietis, 39 Arietis, and 41 Arietis, in the north of the constellation of Aries. The brightest star is now known as 41 Arietis. At magnitude 3.63, it is a blue-white main sequence star of spectral type B8V around 166 light-years distant. 39 Arietis is