科普专家尹怀勤爷爷的回答:刘轩恺同学:你好!天文学家用望远镜对太空进行的研究表明,太阳系由八大行星及其卫星、矮行星、小行星与彗星等天体组成。太阳作为宇宙中银河系的恒星之一,它的引人注目之处在于拥有八颗行星沿着固定轨道环绕其运行。从与太阳的距离由近到远来说,这八颗行星分别是水星、金星、地球、火星、木星、土星、天王星和海王星。其中除了前两颗没有天然卫星,其余6颗都有 Science expert Yin Huai Qin Grandpa’s answer: Liu Xuan Kai classmates: Hello! Astronomers using telescopes on space research shows that the solar system consists of eight planets and their satellites, dwarf planets, asteroids and comets and other celestial bodies. The sun, one of the stars of the galaxy in the universe, attracts the attention of eight planets orbiting its fixed orbit. From near to far, the eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. In addition to the first two no natural satellites, the remaining six have