Sun Like Stars for Earth Like Planets

An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917, but was not recognized as such. The first confirmation of detection occurred in 1992. This was followed by the confirmation of a different planet, originally detected in 1988. Wikipedia

It is an exoplanet that might offers life and if that is the case then mankind might be able to inhabit an exoplanet like they inhabit the earth...

Kepler-452b is an exoplanet orbiting the Sun-like star Kepler-452 about 1,402 light-years from Earth in the constellation Cygnus. It was identified by the Kepler space telescope, and its discovery was announced by NASA on 23 July 2015. Wikipedia

It was first thought that Kepler-452b might be livable but that was later decided not to be the case because of the atmosphere in part but mainly because of the gravity which was twice as strong as earth's gravity. We could get down to the planet but it would be almost impossible for us to leave or two live since all objects would weigh twice as much as they weigh on earth.

But, instead of looking for earth-like planets, we should be looking for Sun-like stars.

Why?

Because, the sun is the most critical aspect.  If a planet is too close to the sun, it will be too hot.  If it is far away, it will be too cold.  PLUS, if the sun-like star is too big or too small, conditions on earth-like planets will not be livable either.

Therefore, we should look for the sun-like star first.

An international team of astronomers has discovered that Tau Ceti, one of the closest and most Sun-like stars, may host five planets, including one in the star's habitable zone. So far, this is our best shot at finding an earth-like planet and may prove that life can and is possible on planets other than earth.