Deltan Heliographers observe an irregularity in the magnetic cycle of the star Delta. The shift of the stars magnetic polarity which usually occurs every 12 years has occurred 1 year early.

 
  • 德?tīng)査展鈨x觀(guān)察到星球德?tīng)査拇艠O周期不規則性變化;該星球每12年移動(dòng)一次的磁極變化剛剛在一年前發(fā)生過(guò)。
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