A pileus is one of these objects that "caps" another of these objects, and (*) contrails are a man-made type of these objects that can be formed from jet engine exhaust.
Fallstreak holes can appear in these objects. Extreme cold near the north or south pole can cause the nacreous type of these, which are iridescent. A pileus is one of these objects that "caps" another of these objects, and (*) contrails are a man-made type of these objects that can be formed from jet engine exhaust. Stratus, cirrus, and cumulonimbus are types of, for 10 points, what skyborne masses of condensed water droplets?
Fallstreak holes can appear in these objects. Extreme cold near the north or south pole can cause the nacreous type of these, which are iridescent.
clouds