It went viral, after a re-sharing on Twitter, the shot that portrays “a piece of the Moon and Mars” in the same hand. The author of the photo is Sarah Hörst, associate professor of planetary sciences at Johns Hopkins University, in Maryland (USA). The woman, enthusiastic in being able to hold two extraterrestrial rocks in her hand, responded – professionally but also with a good dose of irony – to the curiosities of Twitter users, some of whom hypothesized that the shot was a fake.
