NASA revealed that Mercury has a massive solid inner core

Last Updated: April 24, 2019

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NASA revealed that Mercury has a massive solid inner core
24 April 2019 Current Affairs: NASA (The National Aeronautics and Space Administration) revealed that Mercury, the smallest planet in the solar system has a massive solid inner core.
The final trip around Mercury before crash-landing in 2015 was made by NASA’s ‘MESSENGER’. The spacecraft orbited Mercury for around 2011 to 2015 and it was its second mission to Mercury.
According to NASA’s information, both Mercury and the Earth have metallic cores and like Earth, Mercury’s outer core is of liquid metal.
But there are indications that Mercury’s innermost core which is nearly 85% of Mercury’s volume is solid and it is nearly of the same size as Earth’s inner core.
The new mission is on its way to Mercury. It is termed ‘BepiColombo‘ and is a joint mission by the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) to explore Mercury from 2 unique vantage points.
BepiColombo is Europe’s 1st mission to Mercury. It was set off in 2018 and on arriving at Mercury in 2025, it will experience temperatures more than 350°C.
About Mercury:
Mercury is the closest planet to the Sun and is also the smallest planet in the solar system.
It takes Mercury 59 Earth days for rotation and 88 Earth days for revolution.
MESSENGER (March 18, 2011) was the second mission after Mariner 10’s 1975 flyby to reach Mercury.

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