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Browsing by Author "Calef, Fred"

Browsing by Author "Calef, Fred"

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  • Comparison of InSight <I>Homestead</I> Hollow to Hollows at the Spirit Landing Site 
    Weitz, Catherine M.; Grant, John A.; Golombek, Matthew P.; Warner, Nicholas H.; Hauber, Ernst; Ansan, Veronique; Wilson, Sharon A.; Charalambous, Constantinos; Williams, Nathan; Calef, Fred; Pike, W. T.; Lethcoe-Wilson, Heather; Maki, Justin; DeMott, Alyssa; Kopp, Megan (2020)
  • Crater Morphometry on the Mafic Floor Unit at Jezero Crater, Mars: Comparisons to a Known Basaltic Lava Plain at the InSight Landing Site 
    Warner, Nicholas H.; Schuyler, Andrew J.; Rogers, A. D.; Golombek, Matthew P.; Grant, John; Wilson, Sharon; Weitz, Cathy; Williams, Nathan; Calef, Fred (2020)
    A secondary objective for the Perseverance rover mission to Jezero crater, Mars is to collect igneous rocks for analysis on Earth. The mafic crater floor unit (MFU) represents the best candidate. Ten-meter-scale craters ...
  • Degradation of Homestead Hollow at the Insight Landing Site Based on the Distribution and Properties of Local Deposits 
    Grant, John A.; Warner, Nicholas H.; Weitz, Catherine M.; Golombek, Matthew P.; Wilson, Sharon A.; Baker, Mariah; Hauber, Ernst; Ansan, Veronique; Charalambous, Constantinos; Williams, Nathan; Calef, Fred; Pike, W. T.; DeMott, Alyssa; Kopp, Megan; Lethcoe, Heather; Banks, Maria E. (2020)
    The InSight mission landed its scientific payload in Homestead hollow, a quasi-circular depression interpreted to be a highly degraded impact crater that is 27 m in diameter. The original pristine crater formed in a ...
  • Gale crater and impact processes -Curiosity's first 364 Sols on Mars 
    Newsom, Horton E.; Mangold, Nicolas; Kah, Linda C.; Williams, Joshua M.; Arvidson, Ray E.; Stein, Nathan; Ollila, Ann M.; Bridges, John C.; Schwenzer, Susanne P.; King, Penelope L.; Grant, John A.; Pinet, Patrick; Bridges, Nathan T.; Calef, Fred; Wiens, Roger C.; Spray, John G.; Vaniman, David T.; Elston, Wolf E.; Berger, Jeff; Garvin, James B.; Palucis, Marisa C. (2015)
    Impact processes at all scales have been involved in the formation and subsequent evolution of Gale crater. Small impact craters in the vicinity of the Curiosity MSL landing site and rover traverse during the 364 Sols after ...
  • Location and Setting of the Mars InSight Lander, Instruments and Landing Site 
    Golombek, Matthew; Williams, Nathan; Warner, N. H.; Parker, Timothy; Williams, M. G.; Daubar, Ingrid; Calef, Fred; Grant, John; Bailey, P.; Abarca, H.; Deen, Robert; Ruoff, N.; Maki, Justin; McEwen, Alfred; Baugh, Nicole; Block, Kristin; Tamppari, Leslie; Call, J.; Ladewig, J.; Stoltz, A.; Weems, W. A.; Mora-Sotomayor, L.; Torres, J.; Johnson, M.; Kennedy, T.; Sklyanskiy, E. (2020)
    Knowing precisely where a spacecraft lands on Mars is important for understanding the regional and local context, setting, and the offset between the inertial and cartographic frames. For the InSight spacecraft, the payload ...

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