The James Webb Telescope is about to begin scientific operations later this summer. Scientists are excited for it to begin scanning distant worlds for signs of life.

There are many places to look at. Almost 5,000 exoplanets have been confirmed by researchers, with many more on the way. There are an estimated 300 million planets that are thought to have liquid water and therefore life.

Chris Hadfield thinks that the NASA's James Webb Telescope would be an excellent place to look at the planet.

Hadfield's reasoning was that some experts believe that the planet called Kepler-442b may be more hospitable than our own planet.

A team of Astrobiologists argued in a paper published in The Astrophysical Journal that several exoplanets identified by NASA were likely to possess liquid surface water.

The paper states that several of the known K2 planets have larger values of H than Earth.

The goal of the researchers was to cut down on the number of candidates so we could get to know the most likely candidates first.

As we move into a time when there are hundreds of targets available, we might be able to say that we have devised a way to take all the observational data that are available and develop a prioritization scheme.

Some scientists think it will be sensitive enough to spot atmospheric pollution from alien civilizations.

We could find out soon. The telescope locked on to its first star and is now calibrating its delicate array of golden mirrors. It is our best chance yet to see planets outside of our solar system.

Scientists are trying to figure out how to detect alien civilization.

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