These analyses have revealed varying estimates of Mercury's polar moment of inertia and its Love number, which are crucial for understanding the planet's internal composition and behavior under ...

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.

During a June 2023 flyby of Mercury, BepiColombo encountered ... "It's like we're suddenly seeing the surface composition 'exploded' in 3D through the planet’s very thin atmosphere, known ...

Anyone with any kind of planet-gazing past could ... Orbiter (MMO)—will together study Mercury’s origin and evolution, its interior structure, geology, composition and craters, its atmosphere ...

But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some craters on its surface that never see sunlight. It also has the most extreme temperatures of ...

The MPO will mostly study Mercury’s surface and composition while the MMO will ... study how the solar wind affects both the planet's exosphere and its surface.