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These lines are called rain bands.
Rock
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
Non-foliated.
Vein
jetstreams
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
Precipitate (noun).orVein
Narrow bands of high-speed winds are called jet streams. These fast-flowing air currents exist high in the Earth's atmosphere, typically near the tropopause, and can greatly influence weather patterns and air travel routes.
Narrow bands of high speed winds are called jet streams. These are fast flowing air currents found in the upper atmosphere, usually at altitudes between 9 and 16 kilometers. Jet streams play a key role in shaping weather patterns and can influence the movement of storms and aircraft.
Jet Sterams
The mechanism you are referring to is called the double-slit interference pattern. When light passes through two closely spaced narrow slits, it interferes with itself, creating alternating bright and dark bands on a screen behind the slits due to constructive and destructive interference of the light waves.