Two space satellites are currently on their way to Mercury, with an organisation known as BepiColombo under- seeing the operation.
Both European and Japanese scientists worked together on the idea, being launched out of South America on Friday.
It is hoping that the satellites will be able to address key concerns of Mercury and its iron core, which represents 60% of the land mass. It is expected to take seven years to reach Mercury, with the operation being monitored from Germany.