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Space Dust Flooding Our Solar System: "The dust grains pose no serious threat to the planets. But they could chip away at the solar panels on spacecraft, causing a gradual loss of power, and knock particles off asteroids, filling the solar system with even more dust. On Earth, stargazers may observe a greater number of shooting stars.
'All these effects are not yet observed�but they are expected,' said Markus Landgraf, an astronomer with the European Space Agency in Darmstadt, Germany. Landgraf discovered the influx of dust using data from the agency's Ulysses spacecraft. "