The importance of Phobos sample return for understanding the Mars-moon system
Phobos and Deimos occupy unique positions both scientifically and programmatically on the
road to the exploration of the solar system. Japan Aerospace Exploration Agency (JAXA) …
road to the exploration of the solar system. Japan Aerospace Exploration Agency (JAXA) …
Carbonate record of temporal change in oxygen fugacity and gaseous species in asteroid Ryugu
W Fujiya, N Kawasaki, K Nagashima, N Sakamoto… - Nature …, 2023 - nature.com
The Hayabusa2 spacecraft explored asteroid Ryugu and brought its surface materials to
Earth. Ryugu samples resemble Ivuna-type (CI) chondrites—the most chemically primitive …
Earth. Ryugu samples resemble Ivuna-type (CI) chondrites—the most chemically primitive …
Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite
Samples from asteroid Ryugu returned by the Hayabusa2 mission contain evidence of
extensive alteration by aqueous fluids and appear related to the CI chondrites. To …
extensive alteration by aqueous fluids and appear related to the CI chondrites. To …
Connecting asteroids and meteorites with visible and near-infrared spectroscopy
FE DeMeo, BJ Burt, M Marsset, D Polishook… - Icarus, 2022 - Elsevier
In this work we identify spectral similarities between asteroids and meteorites. Using spectral
features such as absorption bands and spectral curvature, we identify spectral matches …
features such as absorption bands and spectral curvature, we identify spectral matches …
The origin and evolution of Earth's nitrogen
Y Li - National Science Review, 2024 - academic.oup.com
Nitrogen is a vital element for life on Earth. Its cycling between the surface (atmosphere+
crust) and the mantle has a profound influence on the atmosphere and climate. However …
crust) and the mantle has a profound influence on the atmosphere and climate. However …
Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu
C Potiszil, T Ota, M Yamanaka, C Sakaguchi… - Nature …, 2023 - nature.com
All life on Earth contains amino acids and carbonaceous chondrite meteorites have been
suggested as their source at the origin of life on Earth. While many meteoritic amino acids …
suggested as their source at the origin of life on Earth. While many meteoritic amino acids …
16O-rich anhydrous silicates in CI chondrites: Implications for the nature and dynamics of dust in the solar accretion disk
CI chondrites have nonvolatile chemical compositions closely resembling that of the Sun's
photosphere and are thus considered to have the most primitive compositions of all known …
photosphere and are thus considered to have the most primitive compositions of all known …
Salts and organics on Ganymede's surface observed by the JIRAM spectrometer onboard Juno
The surface of Ganymede exhibits diversity in composition, interpreted as indicative of
geological age differences between dark and bright terrains. Observations from Galileo and …
geological age differences between dark and bright terrains. Observations from Galileo and …
Oxygen isotopes of anhydrous primary minerals show kinship between asteroid Ryugu and comet 81P/Wild2
N Kawasaki, K Nagashima, N Sakamoto… - Science …, 2022 - science.org
The extraterrestrial materials returned from asteroid (162173) Ryugu consist predominantly
of low-temperature aqueously formed secondary minerals and are chemically and …
of low-temperature aqueously formed secondary minerals and are chemically and …
The Tarda meteorite: a window into the formation of D-type asteroids
Dynamic models of solar system evolution suggest that D-type asteroids formed beyond
Saturn's orbit and represent invaluable witnesses of the prevailing conditions in the outer …
Saturn's orbit and represent invaluable witnesses of the prevailing conditions in the outer …