Answer:
Solar flare
Explanation:
A solar flare is an outburst of solar radiation from the surface of the sun outward. This leads to increase in heat intensity and brightness around sun.
The flare is often accompanied by the ejection of electromagnetic radiations from the surface of the star into the stellar space. It can last from a few minutes to some hours.
A carry an unbrella would be the most logical.
I think it might be chemical
No, because that is out of our range of sight and tools to search space.
