女生小视频

The OSIRIS-REx mission to the asteroid Bennu will gather samples using a robotic arm equipped with a vacuum cleaner. How does a vacuum cleaner work in the vacuum of space?

Douglas Lee Glasgow, UK, and Tony Lamont, Townsville, Queensland, Australia

We pay 拢25 for every answer published in New 女生小视频. To answer this question 鈥� or ask a new one 鈥� visit newscientist.com/lastword. Terms and conditions apply.

This article appeared in print under the headline 鈥淰acuum packed鈥�