In 27 November 2012, the European Space Agency declared that the debris disc (like Gliese 581's, recently found) has "at least 10 times" as many comets as does the Solar system.
In 27 November 2012, the European Space Agency declared that the debris disc (like Gliese 581's found) has "at least 10 times" as many comets as does the Solar system. This is recently.