Gagarine was the first ................. to travel into outer space.

The astronauts are trained in a

It's just a short ............... from here to the restaurant.

Neptune's temperature is minus two hundred ten degrees

Armstrong, the mission ............ , has become the first man to set foot on the moon.

He flew on first flight of the

This machine is his latest

Columbus ........................ America in 1492.

Galileo invented special ............. for weighing objects in water