Watch the International Space Station pass overhead from several thousand worldwide locations. It is the third brightest object in the sky and easy to spot if you know when to look up.

Visible to the naked eye, it looks like a fast-moving plane only much higher and traveling thousands of miles an hour faster!

The space station looks like an airplane or a very bright star moving across the sky, except it doesn’t have flashing lights or change direction. It will also be moving considerably faster than a typical airplane (airplanes generally fly at about 600 miles (965 km) per hour; the space station flies at 17,500 miles (28,000 km) per hour).

You can sign up to receive alerts for when the ISS is overhead. It can go weeks (or longer) before it appears in the sky above you because its orbit varies. Go to Spot the Station for details.

Once you’ve spotted it, report your experience in the Spaceship Spotters group.

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