"All that radiation - won't it affect the engines - and heat the ship badly?"

So the question is, How does radiation affect this fellow?

Some veterans fear the radiation to which they were exposed may affect future generations.

Blast, heat, and radiation would affect them, just as it does most Earth materials.

It will not be, after the radiation has affected electronic parts.

The only question was how much the pernicious radiation had affected the genes of the survivors.

We can only hope the radiation doesn't affect the suspension chambers before you get here.

Talk with your doctor if you have concerns about how radiation may affect your fertility.

And, while we're about it, you had better not stay too near us, or our radiation may affect you adversely.

The primary radiation of the spell should not affect you; the secondary may.