America faces the SunandPlanet x, the N. Pole is exposed in its location just above the Canadian NW Territories.
当其北美洲面对着太阳和行星x的时候，北极的位置正好在加拿大西北地区的上方。
2
If the young Sun was much fainter and cooler than the Sun today, liquid water couldn't have existed on either planet.
如果早期的太阳比现在的太阳暗淡，也没有现在这么炙热的话，那么液态水就不可能在这两个星球上存在。
3
The planet Venus takes 243 earth-days to turn once on its axis, so incoming heat from the sun is added and distributed at a more leisurely, observable pace.