NASA's STEREO mission is an international project involving scientists from the UK. Twin spacecraft are orbiting the Sun, with one moving ahead of the Earth and one moving behind it. By combining the images taken from these two positions, Scientists can create 3D views of solar activity.

The last part of this film is in 3D. To see the Sun as STEREO does, you will need to wear red-cyan 3D glasses.

Adapted from film by NASA/Goddard Space Flight Center Scientific Visualization Studio

Displayed at the Royal Observatory, Greenwich as part of the Solar Story exhibition: nmm.ac.uk/solar

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