S Silvestro,M Chojnacki,D A Vaz et al.
S Silvestro et al.
Aeolian megaripples, with 5- to 50-m spacing, are abundant on the surface of Mars. These features were repeatedly targeted by high-resolution orbital images, but they have never been observed to move. Thus, aeolian megaripples (especially t...
A J Brown,C E Viviano,T A Goudge
A J Brown
A well-preserved, ancient delta deposit, in combination with ample exposures of carbonate outcrops, makes Jezero Crater in Nili Fossae a compelling astrobiological site. We use Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) ob...
Introduction to the Special Issue: Exploration of the Activity of Asteroid (101955) Bennu [0.03%]
特殊议题简介：小行星(101955)bennu活动探索
C W Hergenrother,C D Adam,S R Chesley et al.
C W Hergenrother et al.
Near-Earth asteroid (101955) Bennu is an active asteroid experiencing mass loss. The activity manifests itself in the form of ejection events emitting up to hundreds of millimeter- to centimeter-scale particles. The Origins, Spectral Interp...
Synergistic Ground and Orbital Observations of Iron Oxides on Mt. Sharp and Vera Rubin Ridge [0.03%]
夏普山和维拉·鲁宾脊部的铁氧化物的地面和轨道观测的协同研究
A A Fraeman,J R Johnson,R E Arvidson et al.
A A Fraeman et al.
Visible/short-wave infrared spectral data from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) show absorptions attributed to hematite at Vera Rubin ridge (VRR), a topographic feature on northwest Mt. Sharp. The goals of th...
Analytical Model for the Tidal Evolution of the Evection Resonance and the Timing of Resonance Escape [0.03%]
艾维克共振及其逃逸时机的分析模型研究
William R Ward,Robin M Canup,Raluca Rufu
William R Ward
A high-angular momentum giant impact with the Earth can produce a Moon with a silicate isotopic composition nearly identical to that of Earth's mantle, consistent with observations of terrestrial and lunar rocks. However, such an event requ...
N H Thomas,B L Ehlmann,W Rapin et al.
N H Thomas et al.
The Mars Science Laboratory (MSL) Curiosity rover is exploring the Murray formation, a sequence of heterolithic mudstones and sandstones recording fluvial deltaic and lake deposits that comprise over 350 m of sedimentary strata within Gale ...
M Golombek,D Kass,N Williams et al.
M Golombek et al.
Comprehensive analysis of remote sensing data used to select the Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) landing site correctly predicted the atmospheric temperature and pressure profile durin...
J L Molaro,C W Hergenrother,S R Chesley et al.
J L Molaro et al.
Many boulders on (101955) Bennu, a near-Earth rubble pile asteroid, show signs of in situ disaggregation and exfoliation, indicating that thermal fatigue plays an important role in its landscape evolution. Observations of particle ejections...
Evidence for Multiple Diagenetic Episodes in Ancient Fluvial-Lacustrine Sedimentary Rocks in Gale Crater, Mars [0.03%]
火星盖尔撞击坑中古河流-湖泊沉积岩中多次成岩作用事件的证据
C N Achilles,E B Rampe,R T Downs et al.
C N Achilles et al.
The Curiosity rover's exploration of rocks and soils in Gale crater has provided diverse geochemical and mineralogical data sets, underscoring the complex geological history of the region. We report the crystalline, clay mineral, and amorph...
W F Bottke,A V Moorhead,H C Connolly Jr et al.
W F Bottke et al.
Asteroid (101955) Bennu, a near-Earth object with a primitive carbonaceous chondrite-like composition, was observed by the Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) spacecraft to ...