火星上一个不寻常的洞
(原标题: An Unusual Hole in Mars)
2025-04-13
浏览次数: 49
是什么造成了火星上这个不寻常的洞？事实上，在这幅瑞士奶酪般的风景中，有许多洞，除了一个外，其他都是尘土飞扬的黑暗火星地形，下面是蒸发、光亮的二氧化碳冰。最不寻常的洞位于右上方，跨度约100米，似乎可以穿透到更低的地方。为什么这个洞存在，为什么它被一个圆形的陨石坑包围，仍然是一个猜测的话题，尽管一个主要的假设是它是由流星撞击造成的。像这样的洞是特别有趣的，因为它们可能是通往较低层次的入口，延伸到广阔的地下洞穴。如果是这样的话，这些自然形成的隧道相对来说不会受到火星表面恶劣环境的影响，因此它们相对来说是火星生命存在的较好候选者。因此，这些坑也可能是未来宇宙飞船、机器人甚至人类星际探险者的主要目标。
查看原文解释
What created this unusual hole in Mars? Actually, there are numerous holes pictured in this Swiss cheese-like landscape, with all-but-one of them showing a dusty, dark, Martian terrain beneath evaporating, light, carbon dioxide ice. The most unusual hole is on the upper right, spans about 100 meters, and seems to punch through to a lower level. Why this hole exists and why it is surrounded by a circular crater remains a topic of speculation, although a leading hypothesis is that it was created by a meteor impact. Holes such as this are of particular interest because they might be portals to lower levels that extend into expansive underground caves. If so, these naturally occurring tunnels are relatively protected from the harsh surface of Mars, making them relatively good candidates to contain Martian life. These pits are therefore also prime targets for possible future spacecraft, robots, and even human interplanetary explorers.