SpaceX rockets keep tearing blood-red 'atmospheric holes' in the sky, and scientists are concerned 

 Experts are concerned that these blood-red light shows could be causing unknown problems for astronomy and communication.  

https://cdn.mos.cms.futurecdn.net/B6CtCsxXtcKPfSBqWxowmM.jpg

https://www.space.com/spacex-rockets-tearing-atmospheric-holes-in-sky