Astronomers say they have found the first conclusive evidence of water outside our own solar system.
Astronomers say they have found the first conclusive evidence of water outside our own solar system.
天文学家说，他们首次掌握了确凿证据，证明太阳系之外有水的存在。
Astronomers say they have found the first conclusive evidence of water outside our own solar system.
天文学家说，他们首次掌握了确凿证据，证明太阳系之外有水的存在。