2020年8月22日

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Yogi And Friends In 3D
Image Credit & Copyright:
IMP Team, JPL, NASA

Explanation: From July of 1997, a ramp from the Pathfinder lander, the Sojourner robot rover, airbags, a couch, Barnacle Bill and Yogi Rock appear together in this 3D stereo view of the surface of Mars. Barnacle Bill is the rock just left of the solar-paneled Sojourner. Yogi is the big friendly-looking boulder at top right. The “couch” is the angular rock shape visible near center on the horizon. Look at the image with red/blue glasses (or just hold a piece of clear red plastic over your left eye and blue or green over your right) to get the dramatic 3D perspective. The stereo view was recorded by the remarkable Imager for Mars Pathfinder (IMP) camera. The IMP had two optical paths for stereo imaging and ranging and was equipped with an array of color filters for spectral analysis. Operating as the first astronomical observatory on Mars, the IMP also recorded images of the Sun and Deimos, the smallest of Mars’ two tiny moons. This July saw the launch of NASA’s Mars Perseverance Rover on a mission to the Red Planet.

Tomorrow’s picture: helix in space


瑜珈石和伙伴们的立体影像
影像提供与版权:
IMP Team, JPL, NASA

说明: 在摄于1997年7月的这幅火星表面之立体影像里,探路者号的坡道、旅居者号火星车、气囊、沙发、藤壶比尔、和瑜珈石一同入镜。紧贴在顶着太阳能板的旅居者号左侧的岩块,名为藤壶比尔。瑜珈石是影像右上方,看来有点像友善瑜珈熊的大石块。沙发则是远在影像中央地平线附近的方形石块。如想体验精采的立体视野感受,请用红/蓝眼镜(或用透明的红塑胶片盖住左眼,蓝或绿片盖右眼)观赏这幅影像。这幅影像,是由火星探路者号功能强大的IMP相机所拍摄。 IMP相机有二个不同的光学通道,以进行立体成像和测距,此外,它也记备有影色滤镜阵列,以进行光谱分析取像。做为火星首座天文台的IMP相机,它曾拍摄过太阳和二颗火星小卫星之一的火卫二。在今年的7月,美国航太总署的火星任务,刚把毅力号火星车发射送往火星。

明日的图片: helix in space

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