The star, called GJ 3512, is about 12% the size of our sun, while the planet that orbits it has a mass of at least about half of Jupiter, our solar system's largest planet.
这颗名为 GJ 3512 的恒星质量约为太阳的 12%，而围绕其运行的行星的质量几乎是木星（太阳系最大的行星）的一半。