Lake Vostok also interests astronomers because its waters are thought to be similar to those on Europa, a moon of Jupiter that has an ocean covered with ice that is kilometres thick.

• 沃斯托克湖也引起天文学家的兴趣，因为湖水被认为与木星卫星欧罗巴上，几公里厚冰层覆盖的海水类似。