• Mars Alien Underground Structures

Mars Alien Underground Structures (Photo : NASA/Ufosightingsdaily)

An alien researcher, Marcelo Irazusta, is accusing the National Aeronautics and Space Administration (NASA) of hiding alleged underground bases in Mars which they believe were built by extraterrestrials.

The basis of their claim is a YouTube video that has been viewed almost 50,000 times in one day. Scott Waring, editor of UFO Sightings Daily, agrees with Irazusta that the video allegedly shows edges of an entrance that brings spaceships below the Red Planet's surface.

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Waring says, "This is the location Earth should choose if they want to make a settlement on Mars. This is a location that's already been used and proven effective by aliens. It's probably abandoned ... just waiting for new owners."

However, Market Business News points out that users of Google Earth are familiar with those unusual formations seen on Earth, Mars and Moon. These are caused by an algorithm that lines up image on the globe and happen along the lines where the two images meet, it explains.

Like other Mars sighting such as a doll's face, thigh bone and tomb, experts attribute those sightings to the phenomenon called Pareidolia wherein people see an image or hear the sound of something or somebody not there, but the viewers think it's real.

Cases of Pareidolia have been observed to go up dramatically since the NASA's Mars Exploration Rover Mission began sending images to Earth.

Many of those who commented on the video on YouTube agree with psychologists' explanation of the phenomenon. Alan Rhodes, tongue-in-cheek, wrote, "I have just seen a pig flying past my window."

Mikolaj Wysocki advises alien hunters to never use patch tool in Photoshop, explaining that "These anomalies work the same way as this tool."