Results 11 to 20 of about 123,664 (306)
Investigating the Stability and Distribution of Surface Ice in Mercury’s Northernmost Craters
The Planetary Science Journal, 2023 Observations made by Earth-based radar telescopes and the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft provided compelling evidence for water ice in Mercury's polar craters.
Allison K. Glantzberg +10 more
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Exciting opportunities in planetary structural geology and tectonics: An early career perspective
Frontiers in Earth Science, 2022 The outer shells of solid planetary bodies have been all subject to deformation during their history. The nature and style of deformation strictly depends on the evolution of each planetary body.
Kelsey Crane, Valentina Galluzzi
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The Planetary Science Journal, 2023 Parker Solar Probe (PSP) conducted several flybys of Venus while using Venus’ gravity for orbital adjustments to enable its daring passes of the Sun. During these flybys, PSP turned to image the nightside of Venus using the Wide-field Imager for Solar ...
J. Lustig-Yaeger +10 more
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Building planetary surfaces [PDF]
Nature, 1996 Volcanoes of the Solar System. By Charles Frankel Cambridge University Press: 1996. Pp. 232. $69.95, £40 (hbk); $24.95, £14 (pbk).
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The Planetary Science Journal, 2023 On Mars, liquid water may form in regolith when perchlorate salts absorb water vapor and dissolve into brine, or when ice-salt mixtures reach their melting temperature and thaw.
Andrew O. Shumway +2 more
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Theoretical Spectra of Terrestrial Exoplanet Surfaces [PDF]
, 2012 We investigate spectra of airless rocky exoplanets with a theoretical framework that self-consistently treats reflection and thermal emission. We find that a silicate surface on an exoplanet is spectroscopically detectable via prominent Si-O features in ...
Batalha +28 more
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Thermal Studies of Planetary Surfaces [PDF]
Symposium - International Astronomical Union, 1981 Ground-based and spacecraft observations of planets, satellites, and asteroids in the thermal infrared have provided a wealth of information on planetary temperatures, dimensions, and surface properties. Internal heat sources have been revealed for Jupiter, Saturn, and Neptune, and active volcanism on Io has been discovered and monitored.
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Impact Crater Morphometry on Pluto: Implications for Surface Composition and Evolution
The Planetary Science Journal, 2023 New Horizons showed that Pluto exhibits a wide range of geologic groups, with much of the surface modified by volatile ice processes. Impact craters are a valuable tool to investigate how these regions have evolved, as they record the effects of various ...
Joshua E. Hedgepeth +2 more
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Unoccupied Aircraft Systems Sampling for Earth and Mars
The Planetary Science JournalUnoccupied aircraft systems (UAS) technology on Earth has become increasingly prevalent and accessible, and for extraterrestrial applications, the Ingenuity helicopter has proven the viability of flight on Mars.
Colin Chen +7 more
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Time after time – circadian clocks through the lens of oscillator theory
FEBS Letters, EarlyView.Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
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