Answer :
Final answer:
Temperature is a crucial factor in determining the habitability of exoplanets. The habitable zone around a star is key in finding Earth-analog exoplanets suitable for life. Focusing on planets with temperatures supportive of liquid water increases the chances of finding habitable exoplanets.
Explanation:
Temperature is a good criterion for searching for Earthlike exoplanets because it plays a crucial role in determining the habitability of a planet. The surface temperature of a planet is influenced by factors such as its distance from its star and the composition of its atmosphere.
For a planet to be considered Earthlike, its surface temperatures should ideally support the presence of liquid water, a key element for life as we know it. The habitable zone around a star, where surface temperatures allow for liquid water, is a significant factor in the search for Earth-analog exoplanets.
By focusing on planets with temperatures suitable for liquid water, astronomers increase the likelihood of finding exoplanets with conditions that could potentially support life similar to Earth.
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