太陽系以外還有其他恆星和行星嗎???

有~~太陽系只系银河系其中一个系~~~在银河系還有比太阳系他的恆星和行星

of coz hv la
there are billions of soler system which are similar to our 太陽系
inside them there are many many planets

of course,when you look up the sky at night ,they are the stars for other system.And also there are planets and object to revolue those stars.

，天文學家搵喥上萬棵恆星，行星亦過億。