Pockets of thawed gases spewed like cometary tails, the noisy and messy birth of an atmosphere from volatilizing ice.

There's a possibility of a cometary tail visible when it's close in.

This is consistent with previous observations of crystalline silicates both in cometary tails and in circumstellar disks at large distances from the star.

She thumbed up a speckled orange display which highlighted five cometary tails.

It could be space debris, a nebulosity, the remnants of a cometary tail, a whole bunch of things that are harmless.

People think that they live life as a moving dot traveling from the Past into the Future, with memory streaming out behind them like some kind of mental cometary tail.

To the scientists' surprise, this produced the electronic image of a third cometary tail - one made of sodium atoms.

If an object is originally found asteroidal, and later develops a cometary tail, it retains its asteroidal designation.

"How long will this gunge fall if it's from your cometary tail?"

"Possibly just another cometary tail."