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10 - Halo Zemljani, umazana zrcala in gradniki življenja

EPISODE · Feb 18, 2025 · 22 MIN

10 - Halo Zemljani, umazana zrcala in gradniki življenja

from Portal v vesolje · host Jure Japelj

Tako kot zrcala v naših kopalnicah se tudi zrcala na teleskopih umažejo. Čiščenje slednjih je nekoliko bolj zahtevno od tega, kar počnemo doma. Predstavljate si, da imate osemmetrsko zrcalo. Ali pa 798 zrcal, ki morajo biti ves čas čista kot solza! V tej epizode nekaj malega o čiščenju zrcal teleskopov. In tudi o tem, na kakšni razdalji bi vesoljci še lahko detektirali človeško civilizacijo. Zaključimo z novico o študiji prgišča asteroida Bennu, ki ga je leta 2023 na Zemljo dostavilo plovilo OSIRIS-REx. V asteroidu so bolj ali manj vse organske spojine, ki jih potrebujemo, da poustvarimo življenje na Zemlji.Povezava do ESO bloga:https://www.eso.org/public/blog/exploding-snow/Povezava do članka, v katerem Sheikh et al. raziskujejo, do kam bi lahko detektirali Zemljine tehnopodpise:https://arxiv.org/pdf/2502.02614V podkastu smo uporabili zvočne posnetke Evropske vesoljske agencije. Vsi zvoki so projekti sonifikacije znanstvenih podatkov. Uporabili smo naslednje zvočne posnetke:Sonifikacija spektra atmosfere eksoplaneta Wasp 96b, ki ga je posnel vesoljski teleskop James Webb (ESA, CC BY-SA IGO 3.0):https://soundcloud.com/esa/wasp-96b-transmission-spectrumSonifikacija zvezdnih katalogov (Jamie Ferguson/ESA/Hipparcos & others (Hipparchus-Ptolemy/Ulugh Beg/Tycho Brahe/J.Flamsteed/J.Lalande/Yale Trigonometric Parallax Catalogue) – CC BY-SA 3.0 IGO):https://soundcloud.com/esa/sets/sonification-of-stellar-catalogues-through-history

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10 - Halo Zemljani, umazana zrcala in gradniki življenja

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