The chemical composition of comets—emerging taxonomies and natal heritage

MJ Mumma, SB Charnley - Annual Review of Astronomy and …, 2011 - annualreviews.org
Cometary nuclei contain the least modified material from the formative epoch of our
planetary system, and their compositions reflect a range of processes experienced by …

Silica aerogels: from materials research to industrial applications

C Li, G Zhang, L Lin, T Wu, S Brunner… - International …, 2023 - journals.sagepub.com
Silica aerogels are advanced materials with outstanding properties, including high specific
surface area and porosity, low thermal conductivity, density, dielectric constant, and …

Additive manufacturing of silica aerogels

S Zhao, G Siqueira, S Drdova, D Norris, C Ubert… - Nature, 2020 - nature.com
Owing to their ultralow thermal conductivity and open pore structure,–, silica aerogels are
widely used in thermal insulation,, catalysis, physics,, environmental remediation,, optical …

A pristine record of outer Solar System materials from asteroid Ryugu's returned sample

M Ito, N Tomioka, M Uesugi, A Yamaguchi, N Shirai… - Nature …, 2022 - nature.com
Volatile and organic-rich C-type asteroids may have been one of the main sources of Earth's
water. Our best insight into their chemistry is currently provided by carbonaceous chondritic …

The provenances of asteroids, and their contributions to the volatile inventories of the terrestrial planets

CMOD Alexander, R Bowden, ML Fogel, KT Howard… - Science, 2012 - science.org
Determining the source (s) of hydrogen, carbon, and nitrogen accreted by Earth is important
for understanding the origins of water and life and for constraining dynamical processes that …

Comet 81P/Wild 2 under a microscope

D Brownlee, P Tsou, J Aléon, CMOD Alexander… - science, 2006 - science.org
The Stardust spacecraft collected thousands of particles from comet 81P/Wild 2 and returned
them to Earth for laboratory study. The preliminary examination of these samples shows that …

Prebiotic astrochemistry and the formation of molecules of astrobiological interest in interstellar clouds and protostellar disks

SA Sandford, M Nuevo, PP Bera, TJ Lee - Chemical reviews, 2020 - ACS Publications
Despite the generally hostile nature of the environments involved, chemistry does occur in
space. Molecules are seen in environments that span a wide range of physical and chemical …

Abundant presolar grains and primordial organics preserved in carbon-rich exogenous clasts in asteroid Ryugu

AN Nguyen, P Mane, LP Keller, L Piani, Y Abe… - Science …, 2023 - science.org
Preliminary analyses of asteroid Ryugu samples show kinship to aqueously altered CI
(Ivuna-type) chondrites, suggesting similar origins. We report identification of C-rich …

The organic-rich surface of comet 67P/Churyumov-Gerasimenko as seen by VIRTIS/Rosetta

F Capaccioni, A Coradini, G Filacchione, S Erard… - Science, 2015 - science.org
The VIRTIS (Visible, Infrared and Thermal Imaging Spectrometer) instrument on board the
Rosetta spacecraft has provided evidence of carbon-bearing compounds on the nucleus of …

Cometary glycine detected in samples returned by Stardust

JE Elsila, DP Glavin, JP Dworkin - Meteoritics & planetary …, 2009 - Wiley Online Library
Our previous analysis of cometary samples returned to Earth by NASA's Stardust spacecraft
showed several amines and amino acids, but the origin of these compounds could not be …