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?
Comet Temple-Tuttle is what astronomers call a periodic comet, one of hundreds that routinely and predictably continue to orbit the sun.
... But the question is, where did the comet come from? What was this comet that mysteriously ...
... Newton said something like this, he said, "Oh, that's easy. That comet is moving at ...