Answer:
Solar flares
Step-by-step explanation:
- The electromagnetic radiations that erupt from the sun and lasts for about a few minutes to a few hours are termed as solar flares.
- This solar flare travels at the speed of light as it is an electromagnetic wave and thus, its effects are observed immediately as its emission is observed.
- From the earth, the solar flare looks like a sudden flash of light coming from the sun that has increased brightness.