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This is Scientific Americans 60 Second Science.

I'm Steve Mursky.

There's three strategic trends that I see in space.

General Jay Raymond, commander of Air Force Space Command in Colorado Springs.

He recently visited Scientific American to talk about Space Command, which is responsible for space and cyber for the Air Force.

One is space is congested. We track 23,000 objects in space. We provide the conjunction assessment

warning, if you will. So for every object in space, we do the analysis on every other object in space to see if there are potential collision.

And if there's a potential collision, we make the warning for satellite operators around the world to maneuver

their satellites to keep from that collision from happening.

I see the trends of that growing.

If you look at the numbers of launches that are occurring, the numbers of launches are up

largely because the cost of launch has gone down.

...