Analysis of information sources in references of the Wikipedia article "Impact sur Jupiter du 19 juillet 2009" in French language version.
« 1.5-km-diameter comets is currently N(d > 1.5 km) = 0.005 +0.006 -0.003 per annum »
« 1.5-km-diameter comets is currently N(d > 1.5 km) = 0.005 +0.006 -0.003 per annum »