Astronauts on the International Space Station fixed a in its outer . The ISS is a large that scientists live in to do scientific . It was first put into space in 1998. Last week, NASA told ISS astronauts that the was slowly leaking . Six astronauts started looking for the leak. Astronaut Alexander Gerst found it. He used a simple and effective of stopping the leak - he put his over the hole. Luckily, the hole was only two millimeters wide. It was not a emergency, but it did need fixing.
The hole was in a Soyuz MS-09 . NASA said a small piece of space or a small meteorite may have hit it. The ISS travels at around 28,000 kph, so a object hitting it can cause a lot of . Flight controllers in the USA and Russia worked with the crew to fix the hole. Cosmonaut Sergey Prokopyev used a "space kit" to do the job - some "space tape" and a glue. A NASA official said the crew on the ISS are after the repair. He said: "The crew are and safe with weeks of left in the International Space Station ."