The 100 m Robert C. Byrd Green Bank Telescope K-band (KFPA) receiver was used to perform a high-sensitivity search for rotational emission lines from complex organic molecules in the cold […]
astrochemistry
Exoplanet Atmosphere Retrieval Using Multifractal Analysis of Reflectance Spectra
We extend a data-based model-free multifractal method of exoplanet detection to probe exoplanetary atmospheres. Whereas the transmission spectrum is studied during the primary eclipse, we analyze what we call the […]
Seeds Of Life In Space (SOLIS)
Complex organic molecules have been observed for decades in the interstellar medium. Some of them might be considered as small bricks of the macromolecules at the base of terrestrial life. […]
Astrochemistry: Overview and Challenges
This paper provides a brief overview of the journey of molecules through the Cosmos, from local diffuse interstellar clouds and PDRs to distant galaxies, and from cold dark clouds to […]
Mapping Vinyl Cyanide and Other Nitriles in Titan's Atmosphere Using ALMA
Vinyl cyanide (C2H3CN) is theorized to form in Titan’s atmosphere via high-altitude photochemistry and is of interest regarding the astrobiology of cold planetary surfaces due to its predicted ability to […]
Bringing Building Blocks of Life to Earth From Space
How life began on Earth, roughly 4 billion years ago, is one of the great scientific questions. New results from scientists at McMaster University and the Max Planck Institute for […]
Widespread Presence of Glycolaldehyde and Ethylene Glycol Around Sagittarius B2
We report the detection of widespread CH2OHCHO and HOCH2CH2OH emission in Galactic center giant molecular cloud Sagittarius B2 using the Shanghai Tianma 65m Radio Telescope. Our observations show for the […]
UV-irradiated Amorphous Ice Behaves like Liquid at Low Temperatures
Ice analogs mimicking interstellar ice behave like liquids at temperatures between -210°C and -120°C according to Hokkaido University researchers. This liquid-like ice may enhance the formation of organic compounds including […]
Methyl Isocyanate CH3NCO: An Important Missing Organic in Current Astrochemical Networks
Methyl isocyanate (CH3NCO) is one of the important complex organic molecules detected on the comet 67P/Churyumov-Gerasimenko by Rosetta’s Philae lander. It was also detected in hot cores around high-mass protostars […]
Does the Organic Material of Comets Predate our Solar System?
The Rosetta space probe discovered a large amount of organic material in the nucleus of comet “Chury.” In an article published by MNRAS on August 31, 2017, two French researchers […]
