Science & Technology

There’s no place like home: New image shows Earth and moon from Mars orbiter

There’s quite a lot of discuss in our fashionable area race about attending to Mars, so each every so often it’s good to see what we’d be forsaking if we did finally make it to the Crimson Planet.

Fortunately, photographs from the Excessive Decision Imaging Science Experiment (HiRISE) digital camera on NASA’s Mars Reconnaissance Orbiter may also help us out with that. A brand new composite image launched on Friday shows off Earth and its moon, taken when Mars was about 127 million miles away on Nov. 20.

The {photograph} is constructed from one of the best shot of Earth and one of the best shot of the moon from 4 units of photographs, according to a post by Alfred McEwen, a planetary scientist on the College of Arizona who’s the principal investigator for the HiRISE digital camera on Mars Reconnaissance Orbiter.

It’s not precisely a telescopic model of what one would see in the event that they had been standing on Mars. Every image was individually processed previous to combining them in order that the moon is vibrant sufficient to see, McEwen stated. A post from NASA and the Jet Propulsion Laboratory shared McEwen’s particulars.

The moon is far darker than Earth and would barely be seen on the similar brightness scale as Earth. The mixed view retains the proper sizes and positions of the 2 our bodies relative to one another.

HiRISE takes photographs in three wavelength bands: infrared, crimson, and blue-green. These are displayed right here as crimson, inexperienced, and blue, respectively. That is much like Landsat photographs wherein vegetation seems crimson. The reddish function in the midst of the Earth image is Australia. Southeast Asia seems because the reddish space (attributable to vegetation) close to the highest; Antarctica is the brilliant blob at bottom-left. Different vibrant areas are clouds.

A previous image displaying Earth and the moon was shared by HiRISE in 2007, when Earth was 88 million miles from Mars.

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