Solar flares and coronal mass ejections.
You can see the daily sunspot number, and movies of interesting CMEs and flares, at spaceweather.com.
A brief shower of rain can be called a "sprinkle," and a brief snowfall can be called a "flurry."
A Brief History of Time
A short rainfall is called a "shower." It is a brief period of rain that typically lasts for a short duration.
The brief period during which a local area of an axon's membrane resists stimulation is called the refractory period. This period is important for preventing the axon from immediately firing another action potential.
A meteor, sometimes incorrectly called a shooting star or falling star.
A brief advertisement is called a blurb. A brief advertisement is called a blurb.
A brief shower of rain can be called a "sprinkle," and a brief snowfall can be called a "flurry."
...A brief bikini? Aerie calls it a boykini.
It's a thing called imprinting. It's a brief receptive period usually just after being hatched where they become associated with an object or a parent.
answer is a brief answer is a brief
The brief would be called amicus curiae.
an Epithet
It is a little 1-15 word text message and called a brief message
aria
a cameo
summation or summary
it'a called a nap