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Although we think of space as being empty, there is more out there than meets the eye – dust, for example, is everywhere.
If all the material between the Sun and Jupiter were compressed together it would form a moon 25 km across.
Now a new research programme will try to see how much of this dust enters the Earth's atmosphere.
Metals from the cosmic dust play a part in various phenomena that affect our climate…. Rest of article with all images here: