New Study Suggests Mars Has Large Underground Ocean — VOA Learning English
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A new study provides evidence that Mars contains a large ocean deep beneath its surface.
The finding is based on data collected by the InSight Lander, a robotic explorer operated by the American space agency NASA. InSight, which landed in 2018, was designed to capture data from within the planet’s interior. The lander ended its operations on Mars in late 2022.
For the current study, researchers used seismic data collected by InSight. The team examined the data to study Martian quake activity. Seismic activity on Mars happens in the form of “marsquakes.” NASA says InSight had recorded more than 1,300 marsquakes.
The device InSight uses to measure ground movements is called a seismometer. NASA…
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