Results 161 to 170 of about 13,144 (210)

Some Possible Components of Circumstellar Grain Material

The Astrophysical Journal, 1970
openaire   +1 more source

Instantaneous formation of interstellar minerals and mineral quantum dots. [PDF]

RSC Adv
Roy A, Singh SV, Ramachandran R, Meka JK, Ambresh M, Vijay T, Janardhan P, Jayaram V, Venkatraman V, Das A, Hill H, Bhardwaj A, Mason NJ, Sivaraman B.   +13 more
europepmc   +1 more source

Laboratory Investigation of Simultaneous Ultraviolet Photoprocessing and Temperature-Programmed Desorption of Interstellar Ice Analogs. [PDF]

ACS Earth Space Chem
Sarver CC, Walker CE, Widicus Weaver SL.
europepmc   +1 more source

Spiers Memorial Lecture: Astrochemistry at high resolution.

Faraday Discuss, 2023
Ceccarelli C.
europepmc   +1 more source

Inefficient Growth of SiOx Grains : Implications for Circumstellar Outflows

Inefficient Growth of SiOx Grains : Implications for Circumstellar Outflows
To explain observations of abundant circumstellar dust and high stellar wind velocity, most models simply postulate the efficient nucleation and growth of silicate dust particles. Here, we report measurement of the SiO-(SiOx)(n) grain sticking coefficient in a microgravity sounding rocket experiment, indicating very inefficient (0.005-0.016) grain ...
openaire  

Non-equilibrium preparation of (<i>E</i>)-phosphinimine (HPNH, X¹A') - a precursor to prebiotic phosphorylating agents. [PDF]

Chem Sci
Wang J, Sun BJ, Bergantini A, Wang Z, McAnally M, Marks JH, Chang AHH, Eckhardt AK, Kaiser RI.   +8 more
europepmc   +1 more source

Interstellar formation of 1,2-propanediol (CH₃CH(OH)CH₂OH) and 1,2-ethenediol (HOCHCHOH)-key precursors to sugars and sugar derivatives. [PDF]

Chem Sci
Wang J, Zhang C, Eckhardt AK, Kaiser RI.
europepmc   +1 more source

Swift Heavy Ion-Induced Chemistry of CH₃CN Ices at 10 and 80 K. [PDF]

ACS Earth Space Chem
de Barros ALF, da Costa CAP, Murhej Y, Sreeja R, Doreste DV, da Silveira EF, Bouduch P, Rothard H, Michielan M, Ascenzi D, Domaracka A.   +10 more
europepmc   +1 more source

Formation of SiC grains in circumstellar envelops of carbon stars

Formation of SiC grains in circumstellar envelops of carbon stars
The emission feature around 11.3 micrometer observed towards carbon stars is considered to be due to SiC grains condensed in the circumstellar envelopes. The isotopic anomalies of SiC discovered in carbonaceous meteorites strongly support the formation of SiC grains in carbon-rich AGB (Asymptotic Giant Branch) stars.
openaire  

Missing interstellar sulfur in inventories of polysulfanes and molecular octasulfur crowns. [PDF]

Nat Commun
Herath A, McAnally M, Turner AM, Wang J, Marks JH, Fortenberry RC, Garcia-Alvarez JC, Gozem S, Kaiser RI.   +8 more
europepmc   +1 more source