# Zijn wij eigenlijk buitenaards leven? Of anders geformuleerd: komen de bouwstenen van ons leven van elders?

An episode of [Zimmerman en Space](https://invisiblenetwork.ai/podcast/1659124823), 2 Dec 2025, 19 min.

Audio: https://www.buzzsprout.com/2096278/episodes/18284847-zijn-wij-eigenlijk-buitenaards-leven-of-anders-geformuleerd-komen-de-bouwstenen-van-ons-leven-van-elders.mp3

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 De Zimmerman en Space podcast is gelicenseerd onder een Creative Commons CC0 1.0 licentie. http://creativecommons.org/publicdomain/zero/1.0

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