NASA称新发现了一个火星坑

来源：百度文库编辑：超级军网时间：2024/04/25 06:50:27

This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta.

The steep inner slopes are carved by gullies and include possible recurring slope lineae on the equator-facing slopes. Fresh craters often have steep, active slopes, so we are monitoring this crater for changes over time.

The bedrock lithology is also diverse. The crater is a little more than 1-kilometer wide.

This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta.

The steep inner slopes are carved by gullies and include possible recurring slope lineae on the equator-facing slopes. Fresh craters often have steep, active slopes, so we are monitoring this crater for changes over time.

The bedrock lithology is also diverse. The crater is a little more than 1-kilometer wide.

哪天新发现个脑洞再说

有些水流痕迹

锻铁发表于 2015-6-8 12:25
有些水流痕迹
气流的可能性更大，火星风很大很多看上去水流的东西估计是气流

锻铁发表于 2015-6-8 12:25
有些水流痕迹
水个毛，NASA网站上都说不是水了，是一种石头

蓝色的要真是水 NASA早第一个跳起来跟元老院要求加经费了

谁能破译NSA这个密码？

leo-dg 发表于 2015-6-8 12:29
气流的可能性更大，火星风很大很多看上去水流的东西估计是气流
既不是水流也不是气流，就是流沙画

既不是水流也不是气流，就是流沙画
没有气流何来沙流，就是风带动沙，看上去很象水冲刷过，其实根本没水

leo-dg 发表于 2015-6-9 13:17
没有气流何来沙流，就是风带动沙，看上去很象水冲刷过，其实根本没水
确实可能是风，也可能是因为昼夜温度变化岩石风化变成渣往下滑落

这毕竟是个坑，不是沙丘

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