Jupiter's icy moon Europa is criss-crossed by extensional features. A tectonic reconstruction suggests that Europa's extension is balanced by subduction - if so, Earth may not be the only planetary body with a plate ...
The current debate over the future of human spaceflight in the USA has been a fascinating, and troubling, exercise in futility for those inextricably committed to an expansive vision of human exploration and development ...
Bleacher, Jacob E.; Orr, Tim R.; de Wet, Andrew P.; Zimbelman, James R.; Hamilton, Christopher W.; Garry, W. Brent; Crumpler, Larry S.; Williams, David A.(2017)
The Tharsis Montes rift aprons are composed of outpourings of lava from chaotic terrains to the northeast and southwest flank of each volcano. Sinuous and branching channel networks that are present on the rift aprons ...
Stern, S. A.; Bagenal, F.; Ennico, K.; Gladstone, G. R.; Grundy, W. M.; McKinnon, W. B.; Moore, J. M.; Olkin, C. B.; Spencer, J. R.; Weaver, H. A.; Young, L. A.(2015)
Neutral buoyancy's value was far from obvious when human spaceflight began in 1961. Starting in 1964, Environmental Research Associates, a tiny company in the suburbs of Baltimore, developed the key innovations in an ...
Wray, James J.,; Hansen, Sarah T.; Dufek, Josef; Swayze, Gregg A.; Murchie, Scott L.; Seebs, Frank P.; Skok, John R.; Irwin, Rossman P., III; Ghiorso, Mark S.(2013)
French, Renee A.; Watters, Thomas R.; Robinson, Mark S.(2019)
Block fields and associated relatively high reflectance material along wrinkle ridge summits are revealed in meter scale Lunar Reconnaissance Orbiter Camera (LROC) images. Wrinkle ridges with block fields in Mare Australe, ...