In a Q&A, UC Berkeley astronomer Gibor Basri reality-checks the recent sci-fi movie and talks about the chances of encountering life elsewhere in the galaxy.
In the sci-fi book and now movie Project Hail Mary, astronaut Ryland Grace, played by Ryan Gosling, encounters three different alien lifeforms in the vicinity of Earth. He joins forces with one of them, from the star 40 Eridani, to try to stop another, an alien microbe from Tau Ceti, that is eating stars — including our sun. The third lifeform saves the day....