科学与环境

Reexamined Viking 2 signal reveals possible marsquake from region active decades later

来源: Phys.org - latest science and technology news stories · 发布于

Reexamined Viking 2 signal reveals possible marsquake from region active decades later
来源: Phys.org - latest science and technology news stories

Earthquakes and the seismic waves they generate provide some of the best clues to Earth's interior. To extend that success to other worlds, scientists placed seismometers on the Apollo missions to the moon and on the Viking Mars landers, which reached Mars in 1976. Though the Apo

Earthquakes and the seismic waves they generate provide some of the best clues to Earth's interior. To extend that success to other worlds, scientists placed seismometers on the Apollo missions to the moon and on the Viking Mars landers, which reached Mars in 1976. Though the Apollo detectors proved a resounding success, Viking's results on Mars were less clear: Viking 1's seismometer failed to deploy properly, and Viking 2 recorded only two ambiguous events.

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Astronauts’ hearts just passed a surprising test for Mars
科学与环境

Astronauts’ hearts just passed a surprising test for Mars

A new study tracking 13 astronauts suggests that the human heart may be surprisingly well equipped for a journey to Mars, especially with regular exercise during spaceflight. Researchers found that astronauts' hearts adapted to months of weightlessness and handled simulated Marti

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Ukrainian media coverage casts land as both lifeline and danger zone
科学与环境

Ukrainian media coverage casts land as both lifeline and danger zone

An international team led by Alexander Vorbrugg analyzed (online) media reporting on war-related land changes in Ukraine. The study asked: How is damage to land represented? What knowledge do these representations draw on? How does the war affect the symbolic meaning of land and

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