While it is impossible to say whether it is fit for life.
Astronomers have discovered super-earths at a distance of about 25 thousand light-years from our planet.
Yet it is the most distant of the known exoplanets similar to Earth, according to the study, published in The Astronomical Journal.
Scientists believe that the milky Way might be littered with many planets of the terrestrial type, but they are difficult to detect. To date, astronomers have known for more than 4 thousand exoplanets, but only about a third of them rocky. Most of them are located within a few thousand light-years from Earth.
most Often, astronomers are discovering new worlds through one of two methods. The first of them — the transit: if the luminosity of the star is short and pales slightly, it can speak about passing in front of its disk of the planet. The second method is Doppler spectroscopy: a planet revolving around a star, as if rocking her, and astronomers can observe the shift of the spectrum of the star.
the Third method, gravitational lensing is used to search for exoplanets is not so often, but it helped scientists discover new super-earths.
the Essence of the gravitational lens effect is that when the observer looks at a distant light source in space, through another space object, the shape of the distant light source is distorted. This distortion can be caused by a galaxy, star or planet, through which passes the light from a distant object.
a New microlensing event was named OGLE-2018-BLG-0677. It was observed in two independent experiments OGLE and KMTNet. These projects reveal up to 3 thousand microlensing events per year, but in most cases we are talking about ordinary stars.
Scientists do not yet know the suitability of this rocky planet for life, because due large distance it is difficult something to learn about the temperature and level of activity of its stars.
Anna Lysenko
