File:Mars Viking 12a001.png

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維基百科，自由的百科全書

原始檔案 ‎（1,438 × 512 像素，檔案大小：299 KB，MIME 類型：image/png）

摘要

描述
English: First Clear Image From Mars Surface (Viking 1, July 20, 1976).

This is the first "clear" image ever transmitted from the surface of Mars. The Viking 1 image was taken only a few minutes after the landing. Engineers decided to program the probe to quickly take and send an image of a footpad (in this case footpad number 3) because it was feared that earlier Soviet probes, which stopped transmitting shortly after touchdown, may have sank into quicksand. If Viking 1 met the same fate, they wanted to know about it this time. Some speculate that the cloudiness on the left side is due to dust left over from the landing. The cameras scanned one vertical strip at a time such that by the time the scanning moved to the center of the image, the dust had allegedly settled. The large rock near the center is about 10 cm across.

NOTE: See File:Mars 3 Image.png for the first "actual" image transmitted from Mars - Mars 3 lander (Soviet Union), December 2, 1971 - the Mars 3 image, however, was unclear and contained "nothing identifiable" according to the Soviet Academy of Sciences (ref).
日期 2007-07-10; original photo was taken 1976-07-20.
來源 Own work based on an image in the NASA Viking image archive and File:First photograph ever taken from the surface of Mars.jpg
作者 "Roel van der Hoorn (Van der Hoorn)"
授權許可
(重用此檔案)		 I used the original 12a001.bb1 image from the NASA Viking image archive, converted it to .png, manually removed the noise and finally increased the brightness and contrast by 20. Except for the conversion, this was all done in Adobe Photoshop CS2. The original file by NASA is in the public domain, and so is this new one.
其他版本 I created this image as a replacement for the now deleted image Mars first lander image.gif. This file was created by NASA, but the quality was not very high. Using the original picture from the Lander archive resulted in a higher quality image.

授權條款

Public domain 此作品已由其作者，英文維基百科的Van der Hoorn，釋出至公有領域。此授權條款在全世界均適用。
這可能在某些國家不合法，如果是的話：
Van der Hoorn授予任何人有權利使用此作品於任何用途，除受法律約束外，不受任何限制。

The image is based on an original image from NASA to which the following copyright statement is applicable:

Public domain 本作品由NASA創作，屬於公有領域。根據NASA的版權政策：“NASA的創作除非另有聲明否則不受版權保護。”（參見：Template:PD-USGov/zh，NASA版權政策或JPL圖像使用政策）
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目前2009年1月23日 (五) 12:02於 2009年1月23日 (五) 12:02 版本的縮圖1,438 × 512（299 KB）Van der Hoorn
2007年7月10日 (二) 21:29於 2007年7月10日 (二) 21:29 版本的縮圖1,438 × 512（316 KB）Van der Hoorn== Summary == {{Information |Description = This is the first image ever transmitted from the surface of Mars. It was taken only a few minutes after landing. Engineers decided to program the probe to quickly take and send an image of a footpad because it w

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