Theoretical aliens
霍金设想的外星生物

* Two-legged herbivores suck up their food using huge vacuum snouts.

两只脚的食草动物，它们能利用吸尘器般的巨嘴吸食食物;

* Multi-legged beasts have enough fur to allow them to cope with the -150℃ cold.(See photo, L)

能在零下150摄氏度的环境存活的多足长毛兽;(图左)

* A squid-like creature could feed on the bottom of the salty ocean thought to exist below the icy crust of Jupiter's moon Europa.

木卫二"欧罗巴"行星上寄生在冰层下深海区的类似墨鱼的海洋生物;

* Blimp-like creatures roaming the heavy atmospheres of gas giants sustain life by harvesting electrical discharges from powerful lightning flashes.(R)

气态星球上可能存在巨型浮游生物，它们像小型飞船那样漂在厚厚的大气中，靠"吃"闪电获取能量为生。(右)