Planetary core: GK, Current Affairs, Questions, Trivia and News

NASA reveals that Mercury a massive solid inner core

Scientists have long been known that Mercury and the Earth have metallic cores. Like Earth, Mercury’s outer core is composed of liquid metal, but there have only been hints that Mercury’s innermost core is solid. Now, in a new study, scientists from NASA’s Goddard Space Flight Center in Greenbelt, Maryland have found evidence that Mercury’s ..