WebJul 3, 2024 · The composition of a planet’s core is important for its potential to support life. On Earth, for instance, a molten iron core creates a magnetosphere that protects the planet from cancer-causing cosmic rays. The core also contains the majority of the planet’s phosphorus, which is an important nutrient for sustaining carbon-based life. WebDec 2, 2024 · Among the lightest exoplanets found to date, GJ 367 b zips around its parent star in a speedy 7.7 hours and is unusually dense, appearing to be made of almost pure iron. Called a “super-Mercury ...
Mystery solved: Why Mercury has a big iron core?
WebJul 2, 2024 · Mercury has a metallic core that makes up about three-quarters of its mass. The cores of Earth and Venus are only about one-third of their mass, and Mars, the … WebOct 16, 2024 · 2) Mercury is quite small: Mercury is slightly larger than the Earth’s moon. Moreover, it does not have any atmosphere to stop the impacts. Hence, the entire planet is marked with craters. A massive asteroid hit Mercury approximately 4 billion years ago. Its impact was equal to 1 trillion 1-megaton bombs. phillip islandyyyy
Why does Mercury have such a big iron core? - ScienceDaily
WebDec 21, 2024 · Mercury is a naturally-occurring chemical element found in rock in the earth's crust, including in deposits of coal. On the periodic table, it has the symbol "Hg" and its atomic number is 80. It exists in several forms: Elemental (metallic) mercury. Inorganic mercury compounds. Methylmercury and other organic compounds. WebThe inner core is a solid mass about 480 km in diameter. Surrounding the solid inner core is a fluid outer core, that brings the total diameter of the core to about 660 km. The Moon’s … Web-Mercury: unusually large iron core, which may be explained by a large impact that ejected its outer layers. -Moon: lacks an iron core, indicating that it might have formed from the … phillip island wyndham