Earth-like exoplanet discovered ?

The discovery of Earth-like exoplanets, or planets outside of our solar system that resemble Earth in terms of size and orbit, is an ongoing process in the field of astronomy.

Many such planets have been discovered over the years, but none have been confirmed to be truly "Earth-like" in terms of having the same characteristics as Earth, such as a similar atmosphere and the possibility of having liquid water on the surface.

One of the most promising exoplanets that has been discovered is Kepler-186f, which is located about 500 light years from Earth in the constellation Cygnus. This exoplanet is considered to be one of the most Earth-like exoplanets found so far because of its size and orbit. It is about 1.1 times the size of Earth and orbits its star at a distance that is similar to the distance between Earth and the Sun. This means that it is in the habitable zone of its star, where temperatures are suitable for liquid water to exist on the surface.

Another exoplanet that has been considered as a good candidate for being Earth-like is Kepler-438b, which is located about 640 light years away in the constellation Lyra. This exoplanet is about 1.2 times the size of Earth and orbits its star at a distance that is also similar to the distance between Earth and the Sun. It is also in the habitable zone of its star.

However, it's worth noting that, even though these exoplanets are considered to be the most Earth-like found so far, we don't have the technology yet to confirm if they have an atmosphere and water, or if they are truly habitable for life as we know it.

The discovery of Earth-like exoplanets is an active area of research, and new discoveries are being made all the time. The launch of new telescopes, such as the James Webb Space Telescope, is expected to greatly improve our ability to detect and study exoplanets in the future, and may eventually lead to the discovery of a truly Earth-like planet.

In conclusion, many exoplanets that have been discovered so far that have been considered as Earth-like due to their size and orbit, however, it's still too early to confirm if any of them are truly Earth-like in terms of having the same characteristics as Earth, such as a similar atmosphere and the possibility of having liquid water on the surface.