The origin of the reservoirs of water on Earth is debated. The Earth’s crust may contain at least three times more water than the oceans. This crust water is found […]
astrochemistry
Radio Search For Artificial Emissions From ‘Oumuamua
It’s the first time a visitor from another star system has been seen nearby. But what is it? An asteroid, a comet … or an alien artifact? Scientists at the […]
Study Reveals One of Universe's Secret Ingredients for Life
A new study led by The Australian National University (ANU) has investigated the nature of a cosmic phenomenon that slows down star formation, which helps to ensure the universe is […]
First ALMA Maps of HCO, An important Precursor of Complex Organic Molecules, Towards IRAS 16293-2422
The formyl radical HCO has been proposed as the basic precursor of many complex organic molecules such as methanol (CH3OH) or glycolaldehyde (CH2OHCHO). Using ALMA, we have mapped, for the […]
The Volatility Trend of Protosolar and Terrestrial Elemental Abundances
We present new estimates of protosolar elemental abundances based on an improved combination of solar photospheric abundances and CI chondritic abundances. These new estimates indicate CI chondrites and solar abundances […]
Chemical Synthesis of PAHs Can Occur at Very Low Temperatures
Until now, in the scientific community there has been the prevailing view that thermal processes associated exclusively with the combustion and high-temperature processing of organic raw materials such as oil, […]
Science with an ngVLA: Prebiotic Molecules
Extraterrestrial amino acids, the chemical building blocks of the biopolymers that comprise life as we know it on Earth are present in meteoritic samples. More recently, glycine (NH2CH2COOH), the simplest […]
An Infrared Measurement of Chemical Desorption From Interstellar Ice Analogues
In molecular clouds at temperatures as low as 10 K, all species except hydrogen and helium should be locked in the heterogeneous ice on dust grain surfaces. Nevertheless, astronomical observations […]
Did Key Building Blocks For Life Come From Deep Space?
All living beings need cells and energy to replicate. Without these fundamental building blocks, living organisms on Earth would not be able to reproduce and would simply not exist. Little […]
ALMA Observations of the Young Protostellar System Barnard 1b
The Barnard 1b core shows signatures of being at the earliest stages of low-mass star formation, with two extremely young and deeply embedded protostellar objects. Hence, this core is an […]
