Moon : known by the Romans as Luna Selene by the Greeks and changa by the Chinese the moon is the second brightest object in the sky after the Sun during a clear night the moon's ancient scarred surface can be seen revealing features such as dead volcanoes and violent impact craters but if you could explore the moon's grey desolate landscape you would also come across large dark mysterious holes scattered across its surface in some cases these unexplored entrances might lead to vast underground cave systems and so far more than 200 of them have been discovered by NASA's Lunar Reconnaissance Orbiter these mysterious holes can normally be located within large craters ranging in size from about 5 metres to more than 900 meters in diameter and many of them may well be entrances to..
What are called Luna lava tubes ??
Lava tubes are also common here on earth and are formed wherever there has been volcanic activity as lava flows from a volcano the surface can call forming a hardened crust that contains the lava flow beneath like an underground river of molten rock then if the conditions are right the lava empties leaving a hollow tube like void below the surface eventually patches of the tube ceiling might collapse creating a circular hole that is called a skylight and these are the holes that have been discovered scattered across the lunar landscape although the moon's surface is now a gray dead environment 3 to 4 billion years ago it would have looked very different the large dark patches that are visible on the moon are called lunar Maria which is Latin for seize and are obviously not vast bodies of water but instead ancient planes of solidified lava along the boundaries between these darkened areas and the lunar Highlands are thought to be enormous subsurface lava tubes that could potentially one day be used as enclosures for future human habitats the cave systems would offer shielding from dangerous cosmic radiation protection from micro meteorite bombardment but also an environment for human friendly temperatures on the moon the temperature can be extreme from below minus 150 degrees Celsius at night to above 100 degrees Celsius during the day but building a lunar base under just 40 metres or more of basalt rock could mean a stable temperature of just minus 20 degrees Celsius although a lunar base on the moon may be something for future human generations to experience with our current technology we may still be able to see what is inside of these mysterious cave entrances a NASA mission that has been nicknamed moon diver has been proposed that will send an extreme terrain Rover into one of the several deep pits rappeling down the wall to expose the history of the lunar surface revealing the moons volcanic past but also illuminating a potential future human habitat..
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