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主題: 月面可能熔岩洞 作者: peter 於 2016-04-06 08:58:59 http://www.universetoday.com/128208/buried-lave-tubes/
(http://www.universetoday.com/wp-content/uploads/2016/04/Marius_hills-e1459549413919-768x528.png) Marius Hills pit (http://www.universetoday.com/wp-content/uploads/2016/04/grail-768x432.jpg) Artist concept of the GRAIL mission, twin spacecraft that fly in tandem around the Moon to measure its gravity field. Credit: NASA/JPL (http://www.universetoday.com/wp-content/uploads/2015/03/Lava_tubes-1024x258.jpg) Artist’s impression of a lava tube measuring several kms wide, with the city of Philadelphia shown inside for scale: Purdue University/David Blair 科學家認為 直接蓋在洞內比較快 還能抗宇宙射線 (http://www.universetoday.com/wp-content/uploads/2016/04/grail_gravity-1-700x432.jpg) 月面重力圖 地球上的 https://en.wikipedia.org/wiki/Lava_tube (https://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Valentine_Cave.JPG/280px-Valentine_Cave.JPG) 主題: 回覆： 月面可能熔岩洞 作者: peter 於 2016-04-06 09:03:01 eva 中 第三東京市
不知道 地球有沒夠大洞 ?? |