What lies underneath Mars' surface? Space scientists have long been curious about whether Mars' core is solid or liquid.
. Knowing what lies underneath is critical to understanding the planet's formation and evolution. It could also help to understand the existence of any clues of life that the planet may have supported in its water-rich past.This equipment relays radio signals from the lander to Earth. These signals might be used to track minor variations in the rotation of Mars and its wobbles . And both of these inputs can provide information about the planet's interior structure.
The researchers discovered "internal mass anomalies deep within the mantle" of Mars by monitoring shifts in radio waves.“For the first time, we detected at such a large distance, hundreds of millions of km, the 40 cm oscillations due to the presence of the Martian liquid core. These oscillations are affected by a resonant behavior that only occurs when the core is liquid,” explained Le Maistre.
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