an artist's depiction of a probe investigating a heavily cratered moon in deep space. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
rigel is one of the two brightest stars in the constellation orion. it is a blue-white giant star. we see it here eclipsed by a moon of a hypothetical planet. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
the sun sets over the eberswalde region of mars. this is one of the prospective landing sites for the mars science laboratory rover. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
illustration of astronauts exploring the surface of saturn's moon titan during a blizzard. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
an extraterrestrial planet. while the dayside looks hospitable, the nightside reveals a hellish world of molten lava. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
the moon and mars represented as stepping stones in the path of human space exploration. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
an artist's depiction of an earth-like planet in deep space with its atmosphere illuminated by a nearby star. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
an artists illustration of a heavily cratered moon in orbit around a water covered planet. wisps of clouds circulate through the atmosphere of the planet. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
an artist's depiction of a large spiral galaxy viewed from edge on. dust and gases obscure the edge of the galaxy that contains a black hole at its center. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
a view across a hypothetical primitive alien planet towards a brown dwarf in the sky. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
artist's concept of futuristic colonies being set up on the surface of earth's moon. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
an artist's depiction of an alien world in close proximity to the star it revolves around. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
terragen render of olympus mons on mars, the highest volcano in the solar system. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
the peaks surrounding the peary crater near the north pole of earth's moon have been called the mountains of eternal light because the sun never sets on them. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
a view below the gas clouds of jupiter's atmosphere, across a sea of liquid hydrogen. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
scene on a planet orbiting the pulsar psr 1257+12. the pulsar is one of the few known to have planets. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
a ringed exoplanet as seen from the surface of another exoplanet in its star system - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
artist's depiction of the size relationship between earth and gliese 1214b. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標星球
the asteroid hektor may have been formed when two asteroids collided. the result was a bi-lobed body resembling a peanut. this view looks across the valley separating the lobes. - 行星地質學 幅插畫檔、美工圖案、卡通及圖標
