Based on hard science fiction, a genre that prioritizes scientific accuracy, the blockbuster gets a lot right but misses a few things, experts say.
“The stars weren’t big enough,” Mark Popinchalk said. “Stars are really big.”
Popinchalk, a postdoctoral fellow at the American Museum of Natural History, was voicing a quibble with “Project Hail Mary,” the sci-fi blockbuster. Starring Ryan Gosling a... [1856 chars]

