Blonde on the sun

A russian an american and a blonde are all talking one day. The russian bragged "we were the first in space!"

 The american retorted "we were the first on the moon!"

 The blonde says " so what, were going to be the first on the sun!" The russian and american look at eachother and shook their heads. " You can't land on the sun, u fool. you'll burn up!" said the russian. The the blonde replied," We're not stupid, ya know. We're going at night!"