The nations are all gathered for a Space Conference where they will announce their next big space programmes. The American, Russian and Irish delegates just happen to sit at the same table for coffee....
The Irishman and the American ask the Russian what they are planning. The Russian says they plan to land men on the moon.
Then it's the American's turn. "We did the moon a long time ago. Our aim is to get men to Mars", he boasts.
So, the American and the Russian ask the Irishman what they have planned.
"We're going to land a man on the Sun", he proudly boasts.
On the Sun? the American and the Russian both point out that the heat from the sun will burn a man alive many thousand miles before they could reach the surface.
"Ah, we've got a clever plan, says the Irishman - we'll do it at night, when its cold and dark".