Debate About Original Color of Mars

Astronomy Science ~ The debate re-emerged around Mars. The conspiracy theory believers say that Mars is actually more blue and green. They ...

Astronomy Science ~ The debate re-emerged around Mars. The conspiracy theory believers say that Mars is actually more blue and green. They argue that NASA has been manipulating color images of Mars that looks red, orange and pink in an effort to cover up life on this planet.

This debate has raged since the 1970s when NASA's Viking 1 lander landed for the first time on the red planet, according to a report by Alan Boyle at NBC News. Initial image reveals what appears to be a blue sky, similar to that seen in the Earth, raising hopes that there might be life on Mars.

Viking team member Carl Sagan announced at a press conference afterwards: "Although it looks in these pictures, the sky was not blue ... but actually pink." Earth's sky is blue because of a phenomenon known as 'Rayleigh scattering', in which the particles are scattered around the blue light by the atmosphere.
NASA sometimes use different filters to describe Mars. The left image shows the Mars seen by the Hubble Space Telescope in July 2001. The middle image is the Mars seen by the Hubble Space Telescope in March, 1997. On the right is shown the red planet by the Mars Global Surveyor in February 2006
NASA sometimes use different filters to describe Mars. The left image shows the Mars seen by the Hubble Space Telescope in July 2001. The middle image is the Mars seen by the Hubble Space Telescope in March, 1997. On the right is shown the red planet by the Mars Global Surveyor in February 2006

On Mars, the opposite effect occurs. Dust particles in the atmosphere scatter red light, thus making the sky appear red. NASA claims the sky appear blue in the first image of Mars since Viking Filters used photo still must be calibrated with the proper color balance.

Left version is raw image, the view that has not been processed after received directly from Mars. The middle is an image that will look natural human eye when visiting Mars. Right version shows the result of adding the white color, which interpret the scene as if Mars is seen in the lighting conditions as Earth
Left version is raw image, the view that has not been processed after received directly from Mars. The middle is an image that will look natural human eye when visiting Mars. Right version shows the result of adding the white color, which interpret the scene as if Mars is seen in the lighting conditions as Earth

But not everyone is convinced. A report prepared by Ron Levin, a researcher at Lockheed Martin stated in the report: 'Excess red color found in all blue and green panels Mars. The extreme illumination proved incompatible with gray panels.

"It seems that the actual raw image data has been modified before it is published to change the pixels of blue and green to gray, rendering the image changed too." Conspiracy theories have made wild claims, with the inscription: "The pictures are fake red to make it appear there is no life, no green algae or moss on the plane."

Today Opportunity and Curiosity rover has a color field attached to their instruments are used to set the reflected color resemblance to the right. As a result, images of Mars are usually modified to give a red and pink tinge caused by heavy iron dust that fills the atmosphere.

But even NASA admits this is not a definitive science. The color balance is something very subjective and no two spacecraft using the exact same filter. In addition to this, people often see different colors - as shown by the black and blue dress famous.

To clarify the debate, NASA usually released some kind of image of Mars, which include raw files, image processing and color of the original color version. To add to the confusion, Curiosity rover has recently discovered that the interior of Mars rocks in the Telegraph Peak 'true blue / gray.

Curiosity rover has recently discovered that the interior of Mars rocks at Telegraph Peak 'which is actually a blue / gray.
Curiosity rover has recently discovered that the interior of Mars rocks at Telegraph Peak 'which is actually a blue / gray.
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Astronomy Science: Debate About Original Color of Mars
Debate About Original Color of Mars
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