adj.太阳以外的
Explanation: Do extrasolar planets have water? 说明： 太阳系外的行星上有水吗？
The search for extrasolar planets has been going on for32 years. 寻找太阳系以外的星球已经进行三十二年了。
Even with the JWST, however, finding extrasolar 'Earths' will be tough. 即便使用JWST，寻找太阳系之外的“地球”依然不是轻而易举的事儿。
The fact that Spitzer can detect light spectra from extrasolar planets at all is a surprising accomplishment in itself. 实际上“斯必择”能探测到太阳系外行星的光谱本身对它来说就是了不起的成就。
Kepler will search for extrasolar planets using the same transit technique pioneered by ground-based telescopes. “开普勒”太空望远镜将通过类似穿越搜索技术，使用地面望远镜展开搜寻，寻找系外行星。
