Jesus Christ, you're contacting galactic Jehovah's Witnesses.
"Excuse me sir, do you have a few moments to talk about the Cosmic Creator?…ok, may we give you this pamphlet to read?"
They're redheads, by the way, and their DNA indicates a genetic relationship with a part of Eastern Europe.
You don't seriously believe that hijack, do you? It couldn't have been any more fake.
As for nukes affecting any nearest inhabited planets…what do you think the sun is?
It's a huge, constantly-exploding fission bomb.
How huge? Pic related.
As you can plainly see, the entire Earth could fall into the sun, and the sun wouldn't even burp.
Detonating every nuke on the face of the Earth wouldn't affect anything but us.