At this point, we've discovered lots of exoplanets that fall under the general label "Earth-like."They're rocky, and many orbit at distances from their host stars to potentially have moderate temperatures.But "like" is doing a lot of work there.In many cases, we have no idea whether they even have an atmosphere, and the greenhouse effect means that the atmosphere can have a huge impact on the planet's temperature.
#years #opportunity #opportunities #potentially #researchers #uncertainty #observations #solar-system
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