The planet, called Gliese 12b, is around the same size as Venus and will help scientists understand more about other Earth-like planets in outer space.The planet, which is around the same size as Venus, orbits its sun every 12.8 days. The sun, called Gliese 12, is a cool red dwarf located in the constellation Pisces.Gliese 12b is relatively close in space terms, at just 40 light years away. However, it'd take our fastest spaceship around 300,000 years to get there currently."It'd be uncomfortabl