Kuyrukluyıldızlar nereden gelir?
- Where do comets come from?
Genel olarak, dünyadaki suyun kuyrukluyıldızlarla çarpışmalardan geldiği düşünülür.
- It is generally thought that the earth's water came from collisions with comets.
Comet Temple-Tuttle is what astronomers call a periodic comet, one of hundreds that routinely and predictably continue to orbit the sun.
... tracking the motion of this comet. ...
... comet which sailed over the battlefield of Hastings. It frightened the troops of King ...