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The whole surface area of the Moon is about 38 million square kilometers, comparable to that of the Americas. [70] [71] The Moon's mass is 1 ⁄ 81 of Earth's, [72] being the second densest among the planetary moons, and having the second highest surface gravity, after Io, at 0.1654 g and an escape velocity of 2.38 km/s (8 600 km/h; 5 300 mph).
Moon's internal structure Olivine basalt collected by Apollo 15. Thermal state of the Moon at age 100 Ma. [1] Having a mean density of 3,346.4 kg/m 3, [2] the Moon is a differentiated body, being composed of a geochemically distinct crust, mantle, and planetary core.
be re-implanted into the regolith as a result of the Moon's gravity; escape the Moon entirely if the particle is moving at or above the lunar escape velocity of 2.38 km/s (1.48 mi/s), or 5,328 mph (8,575 km/h); be lost to space either by solar radiation pressure or, if the gases are ionized, by being swept away in the solar wind's magnetic field.
This list is not comprehensive, and does not list the highest places on the Moon. Clementine data show a range of about 18,100 meters from lowest to highest point on the Moon. The highest point, located on the far side of the Moon, is approximately 6500 meters higher than Mons Huygens (usually listed as the tallest mountain).
Geological studies of the Moon are based on a combination of Earth-based telescope observations, measurements from orbiting spacecraft, lunar samples, and geophysical data. . Six locations were sampled directly during the crewed Apollo program landings from 1969 to 1972, which returned 382 kilograms (842 lb) of lunar rock and lunar soil to Earth [8] In addition, three robotic Soviet Luna ...
Russia's Luna-25 spacecraft crashed into the moon after it spun into an uncontrolled orbit, the country's Roscosmos space agency said Sunday. The pilotless spacecraft was aiming to be the first ...
THERE ARE A lot of complex scientific topics present in Netflix's 3 Body Problem (presented, believe it or not, in a far more digestible way than the intense concepts presented in author Cixin Liu ...
The internal structure of the Moon was characterized in 1974 using seismic data collected by the Apollo missions of moonquakes. [11] The Moon's core has a radius of 300 km. [12] The Moon's iron core has a liquid outer layer that makes up 60% of the volume of the core, with a solid inner core. [13]