A LOOK AT THE SPACE BETWEEN THE EARTH AND THE SUN
The two spacecraft that make up the NASA STEREO mission were launched last October. One probe is now travelling in an orbit ahead of the Earth while the other lags behind. Together the probes are imaging the Sun in 3D.
They also have a unique perspective - they can view the space between the Sun and the Earth (the so-called Earth-Sun line), giving scientists their first views of this region of space.
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