Precise new moon map could help guide future sample-return missions 

 The age of Mare Orientale could act like a lunar Rosetta stone for dating the age of the moon's other giant impact basins. 

https://cdn.mos.cms.futurecdn.net/MpnsYwL4GSRsQD6mPabAUS.jpg

https://www.space.com/the-universe/moon/precise-new-moon-map-could-help-guide-future-sample-return-missions