This is because orbital debris travels at speeds of thirty-two thousand kilometers an hour or more.

VOA: special.2009.04.01

Nicholas Johnson is chief scientist for orbital debris for the United States space agency.

VOA: special.2009.04.01

Now,everything was ready for an astronaut to make an orbital flight.

VOA: special.2009.06.17

Everything was "A-OK" for an orbital flight.

VOA: special.2009.06.17