Genel olarak, dünyadaki suyun kuyrukluyıldızlarla çarpışmalardan geldiği düşünülür.
- It is generally thought that the earth's water came from collisions with comets.
Kuyrukluyıldızlar nereden gelir?
- Where do comets come from?
... the year 1066, the most important date on the British calendar, there was a comet, a ...
... tracking the motion of this comet. ...