3. International Space Station

“Three hundred and forty kilometres above Earth, they passed the space station windows so close that they could see the astronauts inside.” p. 9

Credit: ESA/NASA

It’s the third day of Johnny Mackintosh. If I had countless millions of pounds, I would spend around £15m of them on a trip to the International Space Station.

Several people have done this and Charles Simonyi has even been twice. He donated money to Oxford University where I work so we could have a Professor for the Public Understanding of Science. For a while this was Rickard Dawkins who wrote The Selfish Gene and The God Delusion. Nowadays it’s the mathematician Marcus du Sautoy. I went to his inaugural lecture in November and we chatted about football and space afterwards, making me think that Marcus would probably like Johnny Mackintosh.

The ISS is in what we call low Earth orbit, at an altitude of around 340 km (that’s just over 200 miles). When I was growing up, for a while the Americans had Skylab and then the Russians broke all sorts of records with Mir. From space, Earth has no borders and it’s great that a cooperative, international approach is being taken to much space exploration. If you want to see the space station, as it crosses the night sky, it’s easy. NASA have an applet at their Human Space Flight website which will tell you when the ISS will be visible, wherever you are in the world.

Tomorrow we’re off to the very heart of the solar system.

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