Over the coming months, AMS will be able to tell us conclusively whether these positrons are a signal for dark matter, or whether they have some other origin.
When you take a new precision instrument into a new regime, you tend to see many new results, and we hope this will be the first of many AMS is the first experiment to measure to 1% accuracy in space.
It is this level of precision that will allow us to tell whether our current positron observation has a dark matter or a pulsar origin.
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Downpours keeping us on our toes today
The M20 in Kent has been closed in both directions after a pedestrian bridge allegedly collapsed on the motorway on Saturday.
The AA have warned of traffic jams and urged people to carry extra water in their vehicles because of the warm weather.