Source: China – South China Morning PostScientists in China and the United States have found the first direct evidence of a solid inner core inside Mars – a structure long thought not to exist – challenging prevailing theories about how the red planet formed and cooled.
By analysing seismic waves from marsquakes recorded by Nasa’s now-retired InSight lander, the team discovered a solid core about 600km (373 miles) in radius, or roughly 18 per cent of Mars’ radius, a similar proportion to Earth’s inner core.
The findings, published…Read More