Astronomers detect a sugar molecule when looking towards the galactic center
From Figure 1 of the paper.
Astronomers have detected for the first time a sugar molecule in interstellar space, based on data obtained when looking at a molecular cloud near the galactic center.
You can read the paper here. From the press release:
An international team led by CAB researcher Izaskun Jiménez-Serra has now identified the first sugar in interstellar space: erythrulose. This molecule is the only possible four-carbon ketose, and on Earth it is commonly found in raspberries and sunless tanning products. Erythrulose was detected toward the molecular cloud G+0.693−0.027, located near the centre of our Galaxy, the Milky Way. The discovery was made possible by ultra-sensitive, broadband spectroscopic surveys carried out with the 40-m Yebes radio telescope and the 30-m telescope of the Institute for Radio Astronomy in the Millimeter Range (IRAM).
The team identified 12 spectral lines matching the laboratory spectrum of erythrulose measured at the University of the Basque Country. The study also shows that this sugar is at least eight times more abundant than similar three-carbon sugars, none of which were detected in the same region.
Extrapolating from this data the astronomers speculate that “between 0.5 and 50 million tonnes of this sugar could have reached Earth’s surface during the Late Heavy Bombardment, which occurred approximately 4.1 to 3.8 billion years ago.” They base this conclusion on the nature of the molecule. If it could form in interstellar space, it is even more likely to have formed in the early solar system.
To put it mildly, that speculation is quite uncertain.
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Guessing they will eventually discover that dark matter is 90%-95% cacao.
:-P