@ARTICLE{Królikowska-Sołtan_Małgorzata_The_2009, author={Królikowska-Sołtan, Małgorzata and Śliwa, Weronika}, number={Nr 4 (24) 2009 The Future}, journal={ACADEMIA. The magazine of the Polish Academy of Sciences}, pages={28-30}, howpublished={online}, year={2009}, publisher={Polish Academy of Sciences}, language={eng}, abstract={Over 100 metric tons of interplanetary matter enter the Earth's atmosphere every day, mostly consisting of dust and tiny rock fragments. However, around once every few hundred thousand years an object larger than 1 km in diameter collides with our planet, with the impact able to destroy a large country.}, type={Article}, title={The Key to Apophis}, URL={http://www.journals.pan.pl/Content/128133/PDF-MASTER/10_ACADEMIA_EN_4_24_2009_Krolikowska_Soltan_The_Key.pdf}, }