賽丁泉彗星近距離飛越火星
發(fā)布時間:2019-06-22 17:56
【摘要】:正2014年10月19日,在一次罕見的宇宙親密接觸中,賽丁泉彗星以139 500 km的距離(僅為地球到月球距離的1/3)嗖地飛越了火星。大約100分鐘之后,由彗星噴發(fā)的塵埃云也包圍了這顆紅色的星球并在之后離去,而位于火星軌道上的人造探測器"們"則安然無恙。賽丁泉彗星如今正為了完成它的終極之旅而向著太陽飛奔,來自后者的引力無情地將其從太陽系
[Abstract]:On Oct. 19, 2014, in a rare close contact with the universe, Comet Sedingquan flew over Mars at a distance of 139500 km (just 1: 3 from Earth to the moon). About 100 minutes later, dust clouds erupted by comets also surrounded the red planet and left later, while man-made probes in Mars orbit were safe and sound. Comet Sedingquan is now galloping towards the sun in order to complete its ultimate journey, from which gravity mercilessly removes it from the solar system
【分類號】:P185.81
本文編號:2504826
[Abstract]:On Oct. 19, 2014, in a rare close contact with the universe, Comet Sedingquan flew over Mars at a distance of 139500 km (just 1: 3 from Earth to the moon). About 100 minutes later, dust clouds erupted by comets also surrounded the red planet and left later, while man-made probes in Mars orbit were safe and sound. Comet Sedingquan is now galloping towards the sun in order to complete its ultimate journey, from which gravity mercilessly removes it from the solar system
【分類號】:P185.81
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本文編號:2504826
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