does a comet always have a tail and why ?
Comet does not always have a tail it looks like a ump of rock, quite like an asteroid. It only develops a tail if it comes too close to the sun which causes the loosely held rock-ice structure to evaporate.
does a comet always have a tail and why ?
Comet does not always have a tail it looks like a ump of rock, quite like an asteroid. It only develops a tail if it comes too close to the sun which causes the loosely held rock-ice structure to evaporate.