NASA booster captures fantastic picture of Earth, a moon from Mars

NASA has expelled a breathtaking image of Earth and a moon taken from a spacecraft in circuit around Mars from 205 million kilometres away.

The picture is a combination of 4 sets of images taken on Nov. 20, 2016 by NASA’s High Resolution Imaging Science Experiment (HiRISE) booster that has been in circuit around Mars given 2006.

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The sketch shows Australia nearby a centre, with Antarctica as a bright white mark in a bottom left. 

In sequence to acquire a image, a satellite total information from a red and blue-green spectrum (the camera can also picture in a infrared) and processed them as red, green, and blue.

The booster also had to take dual apart exposures: one for a moon and one for Earth, as they change in brightness.

The booster has been holding high-resolution images of Mars from an altitude that varies from 200 to 400 kilometres. The images are so minute that they can uncover features just one to two-and-a-half metres across. 

HiRISE took a picture as partial of the calibration process.

Article source: http://www.cbc.ca/news/technology/nasa-earth-moon-mars-1.3924634?cmp=rss