GJ 357 d has a temperature of about 18 degrees Celsius, completing an orbit around its star of 55.7 days.
In August 2016, the European Space Research Organization in the Southern Hemisphere (ESO) announced a planet likened to Earth's twin brothers: Proxima Centauri b.
In August 2016, ESO (European Aeronautics Agency) confirmed the existence of a Proxima b planet named as
The newly discovered planet is temporarily called Proxima b, located in the habitable area of Proxima Centauri and is thought to have a suitable surface temperature so that water
Famous astronomer Stephen Hawking and Russian billionaire Yuri Milner plan to bring the probe to the nearest star system in the near future.
With today's science and technology, the answer is ... 26 million years.