Petri Väisänen Aamuvieras-podcastissa vieraana on Petri Väisänen Turun Yliopiston tähtitieteen professori.
2025
Petri Väisänen - 26/2025
Galaksitutkija ja tähtitieteen professori Petri Väisänen kertoo työstään uskovana tiedemiehenä.
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