ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Thanks to three orbiting spacecraft and two rovers that continue to return data, we now have a great deal of evidence that abundant surface water once existed on Mars. But until now something has been missing. Water would be expected to alter the surface minerals to form clays, yet that hallmark of ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/438570a