China recently sparked a frenzy of discussion among scientists after it announced that its enormous telescope, famously known as the Sky Eye, detected suspicious sounds from outer space. The signal suggests that it could come from our space neighbor that humans have yet to meet.
However, former UFO advisor to the British government's Ministry of Defense Nick Pope warned about the possible threat if we come across hostile extraterrestrial civilization.
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Appearing on GB News, Pope explained to host Patrick Christys that humans and Earth have been a detectable civilization for decades through the radio and television broadcasts. He pointed out that even the great physicist Stephen Hawking was very concerned about the possibility that extraterrestrial civilization could eviscerate Earth should humans reply to suspicious signals.
"Sure, if we encounter a more advanced civilization and it's hostile, it's probably game over for planet Earth," Daily Star quoted Pope in his interview.
The news that China's big telescope detected an unidentifiable signal deep in outer space has sparked interest in the existence of extraterrestrial life. There is even a recent discourse in the US Congress to hold investigations into the evidence of unidentified aerial phenomena that has been reported in many cases by the US Navy.
Pope added that fears of extraterrestrial life taking over the planet should not prevent humans from uncovering the truth of whether they exist or not.
The Chinese state-backed news outlet that initially reported the event later deleted its report from the public view. Nick believed it pointed to a finding suggesting there might be a message out there, and information from the outer space civilization which could be worth big bucks.
Earth as an Exoplanet in an Extraterrestrial's Point of View
Human-made telescopes are trained to detect and observe exoplanets and star systems, like the Solar System. To identify which of those exoplanets are capable of hosting life, scientists took images of Earth and transformed them into something that resembles an extraterrestrial world from light-years away.
According to an article in Science, they started with 10,000 images from NASA's Deep Space Climate Observatory (DSCOVR) satellite. Those images were taken at 10 specific wavelengths every 1 to 2 hours between 2016 and 2017.
To simulate how aliens see Earth, the researchers reduced the images into a single brightness reading for each wavelength that produced 10 light curves, representing what a distant observer might see if they steadily watch an exoplanet Earth for 2 years.
The researchers analyzed the curves and compared them with original images, revealing the parameters of the curves that correspond to land and cloud cover. They constructed a contour map of the land area published in The Astrophysical Journal Letters.
The map shows rough outlines of Africa at the center, Asia at the upper right, and the Americas to the left. Although this might not be how extraterrestrials exactly see Earth, it allows future astronomers to assess whether an exoplanet has oceans, clouds, and icecaps.
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