Solar Orbiter catches Mercury crossing the sun. Here's the amazing video.

Solar Orbiter catches Mercury crossing the sun. Here's the amazing video.Mercury's transit will help Solar Orbiter scientist to calibrate the spacecraft's instruments.The Solar Orbiter watched Mercury as it crossed the face of its usual observing target, the sun. The transit of Mercury, the closest planet to the sun on Jan 3, 2023, offered the European Space Agency (ESA) spacecraft an opportunity to sharpen its view of the sun.