World
Martian dust is smaller than scientists thought... Does it threaten astronauts?
WHAT TO KNOW
Lebanon 24: NASA’s “Perseverance” rover has revealed the presence of fine and ultrafine dust particles on the surface of Mars, some measuring about 100 nanometers—roughly 700 times smaller than the width of a human hair—raising concerns about the health risks astronauts may face on…
Machine translation of an attributed source excerpt. Consult the original report to verify details. Translated from original reporting in another language.
