Results 291 to 300 of about 511,111 (317)

Automated characterisation of cerebral microbleeds using their size and spatial distribution on brain MRI. [PDF]

open access: yesEur Radiol Exp
Sundaresan V   +7 more
europepmc   +1 more source

Mar

open access: yes, 1981
Roig, Montserrat, 1946-1991, Carlos
openaire   +1 more source

Life on Mars [PDF]

open access: possibleOrigins of life and evolution of the biosphere, 1993
Although the Viking results may indicate that Mars has no life today, the possibility exists that Mars may hold the best record of the events that led to the origin of life. There is direct geomorphological evidence that in the past Mars had large amounts of liquid water on its surface.
openaire   +4 more sources

Mars exploration advances: Missions to Mars - Mars base

30th Aerospace Sciences Meeting and Exhibit, 1992
An overview is presented of Mars missions and related planning with attention given to four mission architectures in the light of significant limitations. Planned unpiloted missions are discussed including the Mars Orbital Mapping Mission, the Mars Rover Sample Return, the Mars Aeronomy Orbiter, and the Mars Environmental Survey.
Fred R. Dejarnette, Christopher P. Mckay
openaire   +2 more sources

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