The largest delta plain in Earth's history

The largest delta plain in Earth's history formed along the northern coast of the supercontinent Pangea in the late Triassic. Its size out-scales modern counterparts by an order of magnitude, and approximates 1% of the total ...

Infographic: How not to lose a spacecraft

ESA's ultra-precise deep-space navigation technique – Delta-DOR – tells us where spacecraft are, accurate to within a few hundred metres, even at a distance of 100,000,000 km.

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