Updated

Updated · ScienceDaily · Jul 20

Sydney Scientists Recreate Cosmic Dust at 10,000 Volts, Tracing Life’s CHON Building Blocks

Updated

Updated · ScienceDaily · Jul 20

Sydney Scientists Recreate Cosmic Dust at 10,000 Volts, Tracing Life’s CHON Building Blocks

Q: If scientists can create life's chemical 'seeds' in a lab, what complex molecules like amino acids have they actually found inside?

So far, the Sydney team has not reported finding specific amino acids inside its lab-made “cosmic dust.” What they have clearly identified is a complex CHON-rich material — containing carbon, hydrogen, oxygen and nitrogen — whose infrared signature matches real interstellar dust. That matters because CHON chemistry is the raw feedstock from which biologically important molecules can form. But in this particular study, the published result is about successfully recreating the dust and its chemistry, not yet about isolating named biomolecules such as glycine or alanine from those samples. The broader field does show that more complex molecules can arise in space-like laboratory conditions. Other experiments have produced racemic amino acids in irradiated interstellar ice analogues, and one cryogenic vacuum experiment generated glycylglycine, the simplest dipeptide made from two glycine units linked by a peptide bond. Separate prebiotic simulations have also made sugars, sugar acids and even ribonucleotide precursors under certain conditions. So the careful answer is that the Sydney experiment has demonstrated life-relevant organic chemistry in cosmic dust “seeds,” but it has not, based on the information released, specifically confirmed amino acids inside them. The next step is chemical analysis of those dust samples to determine exactly which complex organics they contain and how such molecules could have been delivered to early Earth by comets, asteroids and meteorites.

3 articles · Updated · ScienceDaily · Jul 20

University of Sydney researchers made carbon-rich cosmic dust in glass tubes by exposing nitrogen, carbon dioxide and acetylene to about 10,000 volts for roughly one hour.
The lab-made material contains CHON molecules—carbon, hydrogen, oxygen and nitrogen—and produced the same infrared signatures astronomers use to identify real interstellar dust.
That match suggests the experiment reproduces chemistry thought to occur near stars, in supernova remnants and in star-forming regions, where increasingly complex organic material can form.
The team says the samples could help explain how comets, asteroids and meteorites delivered organic matter to Earth between about 4.56 billion and 3.5 billion years ago.
Researchers also plan an infrared fingerprint database so astronomers can compare telescope observations with lab analogues and better reconstruct the histories of dust, meteorites and asteroid fragments.

Sources

ScienceDaily1d ago

University of Sydney Scientist Recreates Cosmic Dust, Reveals Clues to Life's Origins

iz.ru1d ago

Scientists have recreated cosmic dust in a bottle | Science News | Izvestia | 20.07.2026

spaceeyenews.com1d ago

Laboratory-Made Cosmic Dust Reveals Life's Chemical Origins - SpaceEyeNews

How can a one-hour lab experiment truly replicate the million-year chemical processes that occur around distant stars to create cosmic dust?

With cosmic 'recipes' now testable on Earth, what new types of habitable worlds might telescopes like the JWST soon uncover?

If scientists can create life's chemical 'seeds' in a lab, what complex molecules like amino acids have they actually found inside?

Laboratory Synthesis of Cosmic Dust Unlocks Secrets of Life’s Chemical Origins

Overview

Sydney scientists, led by PhD student Linda Losurdo, have made a major breakthrough by successfully recreating cosmic dust in the laboratory. Their experiment was validated when the lab-made dust showed the same unique infrared signatures as real cosmic dust found in space, proving that their method accurately mimics cosmic processes. This achievement provides a reliable Earth-based model for studying deep space chemistry and opens new possibilities for understanding how the essential building blocks of life—carbon, hydrogen, oxygen, and nitrogen—could have formed in space long before Earth existed, shedding light on the origins of life itself.

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