Scientists collect high-resolution images of the North Star's surface for 1st time 

 Scientists used the CHARA Array atop Mount Wilson in California to resolve previously unknown features of the North Star. 

https://cdn.mos.cms.futurecdn.net/RS4wS6YLPSaQcPxKJvzNMJ.jpg

https://www.space.com/north-star-polaris-surface-images