"It greatly simplifies the mission," GRAIL lead scientist Maria Zuber, with the Massachusetts Institute of Technology, told Discovery News.

“这将极大地简化了这次任务，”GRAIL任务的首席科学家Maria Zuber告诉探索新闻，来自于麻省理工学院。

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Even the mission's chief scientist, Maria Zuber, was surprised when she saw the impact sites, which looked like dots.

NPR: NASA Moon Craft Spots Ebb And Flow Crash Sites

In a third study published in Nature, Jeffrey Andrews-Hanna and Maria Zuber of the Massachusetts Institute of Technology (MIT) in Cambridge, and Bruce Banerdt of Nasa's Jet Propulsion Laboratory (JPL) in California, provide impact evidence from gravitational and topographical signatures on Mars.

BBC: Mars' two-faced riddle 'solved'

"We have had very detailed mapping of that basin from images, from orbital spectral data, but we have not had high-resolution of its interior structure, " Grail's chief scientist, Prof Maria Zuber, who has been speaking at the Lunar and Planetary Science Conference (LPSC) in The Woodlands, Texas, told BBC News.

BBC: Nasa reveals new information about moon probes crash sites