Results 131 to 140 of about 4,877 (221)

A Postperihelion Constraint on the CO2/H2O Ratio of Interstellar Comet 3I/ATLAS from [O I] Forbidden Lines

The Astronomical Journal
We present high-resolution optical spectroscopy of interstellar comet 3I/ATLAS (C/2025 N1) obtained with the High Dispersion Spectrograph mounted on the Subaru Telescope on UT 2026 January 7, when the comet was on its outbound trajectory at a ...
Yoshiharu Shinnaka, Ko Tsujimoto, Hideyo Kawakita, Hitomi Kobayashi, Jun-ichi Watanabe, Takafumi Ootsubo   +5 more
doaj   +1 more source

Comets: Data, problems, and objectives [PDF]

A highly abridged review of new relevant results from the observations of Comet Kohoutek is followed by an outline summary of our basic knowledge concerning comets, both subjects being confined to data related to the nature and origin of comets rather ...
Whipple, F. L.
core   +1 more source

Scientific opinion on the renewal of the authorisation of Scansmoke SEF7525 (SF-004) as a smoke flavouring Primary Product. [PDF]

EFSA J, 2023
EFSA Panel name on Food Additives and Flavourings (FAF), Younes M, Aquilina G, Castle L, Degen G, Engel KH, Fowler PJ, Frutos Fernandez MJ, Fürst P, Gundert-Remy U, Gürtler R, Husøy T, Manco M, Moldeus P, Passamonti S, Shah R, Waalkens-Berendsen I, Wright M, Benigni R, Boon P, Bolognesi C, Cordelli E, Chipman K, Sahlin U, Carfì M, Carnesecchi E, Martino C, Mech A, Multari S, Palaniappan V, Tard A, Mennes W.   +31 more
europepmc   +1 more source

A Comparison of Presolar Isotopic Signatures in Laboratory-Studied Primitive Solar System Materials and Comet 67P/Churyumov-Gerasimenko: New Insights from Light Elements, Halogens, and Noble Gases. [PDF]

Space Sci Rev, 2023
Hoppe P, Rubin M, Altwegg K.
europepmc   +1 more source

Overview: Exobiology in solar system exploration [PDF]

In Aug. 1988, the NASA Ames Research Center held a three-day symposium in Sunnyvale, California, to discuss the subject of exobiology in the context of exploration of the solar system.
Carle, Glenn C., Schwartz, Deborah E.
core   +1 more source

Impact-processed nitrogen-bearing organics in Chang'e-5 and Chang'e-6 lunar regolith. [PDF]

Sci Adv
Dong M, Hao J, Changela HG, Tian H, Huang S, He Y, Liu X, Li X, Hu S, Yang W, Lin Y.   +10 more
europepmc   +1 more source

Identification and characterization of a new ensemble of cometary organic molecules. [PDF]

Nat Commun, 2022
Hänni N, Altwegg K, Combi M, Fuselier SA, De Keyser J, Rubin M, Wampfler SF.   +6 more
europepmc   +1 more source

Yield Performance and Phytochemical Stability of 'Comet' Hop Under Contrasting Light Supplementation Regimes in Subtropical Conditions. [PDF]

Plants (Basel)
Neves CS, Bonfim FPG, Campos OP, Viriato V, Fernandes GDC, Cabral MNF, Fortuna GC, Gonçalves de Oliveira S, Rabinowitz AN, Sarnighausen VCR, Ono EO, Silva JCRL, Marques MOM.   +12 more
europepmc   +1 more source

Exploring, sampling, and interpreting lunar volatiles in polar cold traps. [PDF]

Proc Natl Acad Sci U S A
Shearer CK, Sharp ZD, Stopar J.
europepmc   +1 more source

A nearly terrestrial D/H for comet 67P/Churyumov-Gerasimenko. [PDF]

Sci Adv
Mandt KE, Lustig-Yaeger J, Luspay-Kuti A, Wurz P, Bodewits D, Fuselier SA, Mousis O, Petrinec SM, Trattner KJ.   +8 more
europepmc   +1 more source