junk

Once you've made the booking, be sure to check your email for confirmation - including the junk folder.

After all, we're talking about some discarded space junk from 50 years ago.

At 105 degrees West longitude, an active satellite might see a piece of junk come within 50km of its position up to four times a day.

Technologies are being developed to grab junk left in space.

"Pieces of space junk are like ticking time bombs," observed Moriba Jah, a professor of aerospace engineering at the University of Texas at Austin.