火星小球体的浆果碗
(原标题: A Berry Bowl of Martian Spherules)
2025-06-22
浏览次数: 25
这些不寻常的火星小球体是如何形成的？2004年，在火星“机遇号”探测器着陆点附近的岩石中和周围发现了数千个由铁和岩石组成的不寻常的灰色小球体，这些小球体被称为蓝莓。为了帮助调查它们的起源，机遇号发现了一个被称为“浆果碗”的表面，上面有一个凹痕，里面有丰富的火星球体。图为“浆果碗”，拍摄于火星车在火星上的第48天。火星蓝莓岩石的平均大小只有4毫米左右。通过分析岩石表面最密集的小球体左侧的一块圆形斑块，机遇号获得的数据显示，下面的岩石与富含赤铁矿的蓝莓的成分大不相同。这一信息有助于越来越多的共识，即这些小的、奇怪的、灰色的球体是从脏水中慢慢沉积下来的。APOD满30岁了！： 6月24日（星期二）晚上7点在爱尔兰科克市举行免费公开讲座
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How were these unusual Martian spherules created? Thousands of unusual gray spherules made of iron and rock and dubbed blueberries were found embedded in and surrounding rocks near the landing site of the robot Opportunity rover on Mars in 2004. To help investigate their origin, Opportunity found a surface dubbed the Berry Bowl with an indentation that was rich in the Martian orbs. The Berry Bowl is pictured here, imaged during rover's 48th Martian day. The average size of a Martian blueberry rock is only about 4 millimeters across. By analyzing a circular patch in the rock surface to the left of the densest patch of spherules, Opportunity obtained data showing that the underlying rock has a much different composition than the hematite rich blueberries. This information contributes to the growing consensus that these small, strange, gray orbs were slowly deposited from a bath of dirty water. APOD Turns 30!: Free Public Lecture in Cork, Ireland on Tuesday, June 24 at 7 pm