Tagged: Mercury

Why does Mercury have such a big iron core? Magnetism!

A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle (the layer between a planet’s core and crust). For decades, scientists argued that hit-and-run collisions with other bodies during the formation of our solar system blew away...

How To Capture Mercury’s Sodium Tail

Mercury’s sodium tail on May 13, 2021. It consists of 30 stacked 30-second exposures of Mercury, combined with an image of that night’s crescent moon. Steven wrote: “A 15-million-mile-long (24-million-km-long) plume of gas is ejected from Mercury’s thin atmosphere due to the sun, very much...

Why don’t they fly to Mercury. What they fear or fear

In the entire history of mankind, they flew to Mercury only twice, and there are practically no plans for the next missions there. Why is it so difficult to get close to a planet relatively close to us, or is there another problem? Maybe there...

Mercury Explained

Mercury is the closest planet to the sun and the second smallest. It is the fastest-moving planet, so it was named after the Roman god of speed. Like Earth, it is a terrestrial planet, meaning it has a solid surface that you could land on....