File:Hooke crater in Argyre basin (15099540249).jpg
原始文件 （6,490 × 3,600像素，文件大小：3.47 MB，MIME类型：image/jpeg）
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摘要
| 描述 |
Hooke crater is located near the northern edge of the 1800 km-wide Argyre basin, one of the most impressive impact structures on Mars, excavated in a giant collision about 4 billion years ago. Situated in a flat part of the basin known as Argyre Planitia, Hooke crater has a diameter of 138 km and a maximum depth of about 2.4 km. It is named after the English physicist and astronomer Robert Hooke (1635–1703). Hooke crater comprises two different impact structures, with a smaller impactor blasting a depression off-centre in the floor of a larger, pre-existing crater. The newer crater in the centre is filled with a large mound topped by a dark dune field. The mound appears to be composed of layered material, possibly alternating sheets of sand and frost. The image was acquired by the High Resolution Stereo Camera on Mars Express on 20 April 2014 during orbit 13 082. The ground resolution is about 63 m per pixel. Hooke crater is located at about 46°S / 316°E. North is right and East is down. Credit: ESA/DLR/FU Berlin (G. Neukum), CC BY-SA 3.0 IGO Copyright Notice: This work is licenced under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence. The user is allowed to reproduce, distribute, adapt, translate and publicly perform this publication, without explicit permission, provided that the content is accompanied by an acknowledgement that the source is credited as 'ESA/DLR/FU Berlin’, a direct link to the licence text is provided and that it is clearly indicated if changes were made to the original content. Adaptation/translation/derivatives must be distributed under the same licence terms as this publication. To view a copy of this license, please visit creativecommons.org/licenses/by-sa/3.0/igo/ |
| 日期 | |
| 来源 | Hooke crater in Argyre basin |
| 作者 | European Space Agency |
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这幅图片原始出处为Flickr的https://www.flickr.com/photos/37472264@N04/15099540249 ，作者为europeanspaceagency 。经机器人FlickreviewR在2014年12月18日审查后确定为采用cc-by-sa-2.0的协议授权使用。 |
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| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2014年12月18日 (四) 14:28 | | 6,490 × 3,600（3.47 MB） | Coyau | Transferred from Flickr via Flickr2Commons |
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