1The rocket soared into the sky, leaving a trail of smoke behind it.
2Is it true that the new rocket can travel to Mars in just six months?
3The company is developing a reusable rocket that can significantly reduce the cost of space travel.
4If you were an astronaut on a rocket mission, what would you do first when you arrived on a new planet?
5There are many different types of rockets, including model rockets that hobbyists can build and launch themselves.