1) Impact crater on Mars 
[river] The Noord (`North`) is a short tidal river in the western Netherlands. It starts at the city of Dordrecht where the Beneden Merwede river forks into the Oude Maas and the Noord. It joins the Lek at the city of Ridderkerk and Kinderdijk, and the combined stream is thereafter known as the Nieuwe Maas. The distance is about 9 km. The d...