Forces and Motion

The time-travelling astronaut

Stories from Physics for 11-14 14-16 IOP RESOURCES

Russian cosmonaut Sergei Krikalev holds the record for time spent in orbit around the Earth: 803 days. It is calculated that the time dilation caused by his orbital motion means that Krikalev is 0.02 seconds younger than other people born at the same time as him on Earth.


IOP DOMAINS Physics CPD programme

Waves CPD videos

Our new set of videos gives teachers and coaches of physics a preview of the training we offer ahead of this term's live support sessions.

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