What Is a Solar Flare?

Solar flare is an intense period of radiation from the sun. It can last for hours, but it can shoot out a lot of radiation towards the earth. If you're out there for too long, you just have these streams of particles passing through your body,. potentially messing up your d anda and giving you cancer. We get cosmic rays from other stars and from other parts of the galaxy. And may be even extra calactic, we don't know.