Mercury’s inner core is indeed solid and that it is very nearly the same size as Earth’s inner core.
Click here for original story, A Closer Look at Mercury’s Spin and Gravity Reveals the Planet’s Inner Solid Core
Source: NASA Goddard Center
Mercury’s inner core is indeed solid and that it is very nearly the same size as Earth’s inner core.
Click here for original story, A Closer Look at Mercury’s Spin and Gravity Reveals the Planet’s Inner Solid Core
Source: NASA Goddard Center