Sentences with phrase «ice particles often»

Not exact matches

Rain and snow often require tiny particles floating in the cloud to trigger ice to form, and not just any particle will do.

Clouds at — 30 or — 35ºF are often entirely liquid because they do not contain any efficient ice - nucleating particles.

«The icy small bodies warm up as they approach the Sun, and the ice sublimes to form a coma [a dense cloud of gas and dust particles around a nucleus] and often a tail, making the comets observable,» she explained.

Particles in the rings are on average much brighter than Chariklo's surface because they often collide, exposing fresh, bright ice; meanwhile, Chariklo itself continues to accumulate dust, he suggests.

In addition, once snow cover melts completely it often reveals underlying ice that has been darkened by dust and other particles, whose surface absorbs more solar energy, promoting heating.

Before a cloud can produce rain or snow, rain drops or ice particles must form and aerosols often serve as the nuclei for condensation.