If aliens had our life-hunting equipment, could they find us?

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Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.

After conducting a fair bit of research, scientists have come to a conclusion that may sound redundant: Life could exist on Earth. . But here's the thing. The team's conclusion isn't the focus of the research. It's merely a means to an end. The plot of this story, rather, lies in preciselyHumans are fascinated by the possibility of discovering life on planets outside the solar system, otherwise known as exoplanets.

that are similar in size and temperature to Earth. It's being built to pick up thermal emissions from these worlds and use their spectrums of light to deduce what elements and chemicals lie in their atmospheres. The team then averaged out the spectra, and considered how the result would be impacted by seasonal fluctuations and our planet's geometry. The researchers accounted for three possible views, two from theNASA's EPIC camera aboard the DSCOVR spacecraft views Earth nearly 1 million miles away.

"Even if atmospheric seasonality is not easily observed, our study demonstrates that next-generation space missions can assess whether nearby temperate terrestrial exoplanets are habitable or even inhabited," Quanz concluded.

 

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