Intense solar storm opens '2-way highway' for charged particles, sparking rare auroras on the sun 

 Auroras on Earth occur when storms from our sun engulf our planet. In a rare cosmic feat last April, our planet returned the favor. 

https://cdn.mos.cms.futurecdn.net/ABeLFsqsFKwxQBzsML8siM.jpg

https://www.space.com/earth-aurora-solar-storm