Record-breaking 'BOAT' gamma-ray burst continues to amaze scientists 

 The brightest gamma-ray burst ever seen was also the first to impact Earth's upper ionosphere, a new study suggests. 

https://cdn.mos.cms.futurecdn.net/WAYLWT3He3pz8w6EUsNFBP.jpg

https://www.space.com/boat-gamma-ray-burst-earth-ionosphere-ozone-bright