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. - 天體生物學 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. - 天體生物學 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. - 天體生物學 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. - 天體生物學 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 - 天體生物學 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. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標星球
a rover explores a rocky, barren moon as a large, water covered world rises above the horizon. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
uranus seen from the surface of its moon, ariel. ariel is one of uranus' largest moons. it's surface is criss-crossed with canyon-like trenches. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
flying life forms grace the crimson skies of the earth-like extrasolar planet gliese 581 c. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
an artist's depiction of a binary star system with a close orbiting planet. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標太陽系外行星
artists concept of kepler 444. it is currently the oldest known planetary system in our galaxy. all five planets are smaller than earth. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
this planet is home to the capital of asellus secundus. giant cities light the planet on the night side. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標太陽系外行星
upsilon is another sun like our own with a planet that lies within the habitable zone. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
a planet's population flees in panic as a massive black hole approaches to devastate and eradicate the very population from existence. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
artist's concept of how saturn might appear from within a hypothetical ice cave on iapetus. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
artist's depiction of a gas giant planet surrounded by three moons. the view is from the largest and farthest moon in the group. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
a spacecraft beams through a small cluster of planets rich in ores and minerals. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
an artist's depiction of a massive planet in very close orbit around it's star. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
jupiter's large moon, europa, is covered by a thick crust of ice above a vast ocean of liquid water. this crust will often pile up in long ridges as floes crash into one another. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
jupiter's large moon, europa, is covered by a thick crust of ice above a vast ocean of liquid water. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標木星
artist's concept of an impact crater on jupiter's moon ganymede, with jupiter on the horizon. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標木星, 月亮
pluto's moon, charon, hovers above the pinkish, frozen landscape of the icy planet. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
a binary star system consisting of a red giant and a white dwarf, seen from a hypothetical planet. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
artist's concept of a hot jupiter extrasolar planet orbiting a sun-like star. - 天體生物學 幅插畫檔、美工圖案、卡通及圖標
