De ontdekking van tryptofaan op een ander hemellichaam dwingt ons na te denken over de geschiedenis van leven op onze aarde.

Scientists found tryptophan, the ‘sleepy’ amino acid, in an asteroid. Here’s what it means:

https://edition.cnn.com/2025/11/27/science/tryptophan-asteroid-bennu-nasa-sample

Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alteration:

https://www.pnas.org/doi/10.1073/pnas.2512461122

Hayabusa 2:

https://en.wikipedia.org/wiki/Hayabusa2

OSIRIS-REx:

https://nl.wikipedia.org/wiki/OSIRIS-REx

Tryptofaan:

https://nl.wikipedia.org/wiki/Tryptofaan

Nucleobase:

https://nl.wikipedia.org/wiki/Nucleobase

Nucleobase synthesis in interstellar ices:

https://upload.wikimedia.org/wikipedia/commons/5/5d/S41467-019-12404-1.pdf

Could nucleobases form in the ISM? A theoretical study in the horsehead nebula:

https://arxiv.org/pdf/2303.03963

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