artist's concept illustrating the two saturn-sized planets discovered by the kepler mission. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標星球
artist's concept of an earth-sized planet passing in front of a sun-like star. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標
artist's concept of the northwest side of the olympus mons volcano on mars - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標火星, 火山
illustration of a ringed-planet viewed from above. a very dusty and bright solar system. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標
an artist's depiction of a blue planet with a thick atmosphere and it's orbiting small moons. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標外太空, 星星
a space probe investigates a beautiful cloud covered planet in outer space. clouds swirl over the planets surface and through its atmosphere. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標地球
this is an artist's impression of the jupiter-size extrasolar planet, hd 189733b, being eclipsed by its parent star. the planet is a hot jupiter, which is so close to its star that it completes an orbit in only 2.2 days. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標星球, 熱度 - 溫度, 木星
51 pegasi is a sun quite like our own with a group of bold planets that bask closely within its suns rays. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標星星, 星球
astronomical illustration of future lightsail spacecraft studying the exoplanets in the centauri system. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標外太空
city surrounded by green trees in water world with a giant moon in the sky. - 太陽系外行星 幅插畫檔、美工圖案、卡通及圖標反射, 滿月