NASA's Mars InSight lander reveals what lies at the heart of the Red Planet

NASA's Mars InSight lander reveals what lies at the heart of the Red Planet

NASA's Mars InSight lander reveals what lies at the heart of the Red Planet By science reporter Gemma Conroy Standing up straight would be a challenge on the Red Planet, with marsquakes rumbling below the surface several times a day. But for researchers working on NASA's InSight mission, these seismic vibrations offer tantalising clues about what Mars looks like on the inside. Key points: - NASA's InSight team has used marsquake data to map the Red Planet's interior - The planet has a huge liquid core and relatively thin mantle and crust - The findings challenge previous ideas about what lies beneath the planet's surface Using data collated over several years, researchers have mapped the planet's crust, mantle and core for the first time — and they look quite different to Earth's interior, according to three studies published today in Science. Unlike Earth, Mars' liquid core takes up nearly half of its interior, leaving little room for the planet's upper layers. The findings challenge previous ideas about what lies beneath the planet's surface, according to Suzanne Smrekar, study coauthor and …
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