我们尚不能靠睡眠抵达星际空间

We Can’t Sleep Our Way to Interstellar Space — Yet BY TINA HESMAN SAEY Editor’s note: This story contains light spoilers for Project Hail Mary. I have long puzzled over something in Andy Weir’s 2021 book Project Hail Mary: Why did two of the three fictional astronauts die during an interstellar trip? It might be because Weir put his travelers into four-year-long medically induced comas, says Haig Aintablian, an emergency physician and flight surgeon who directs UCLA’s space medicine program. “The human body is not designed to just be a stagnant blob,” he says. Comatose astronauts would be in danger of deadly blood clots and debilitating muscle wasting from inaction. …