Ceres – seen by Dawn spacecraft

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The Dawn spacecraft observed Ceres for an hour on Jan. 13, 2015, from a distance of 238,000 miles (383,000 kilometers). A little more than half of its surface was observed at a resolution of 27…

Reactive ammonia in the solar protoplanetary disk and the origin of Earth’s nitrogen

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Dennis Harries,Peter Hoppe, Falko Langenhorst Nature Geoscience (2015) doi:10.1038/ngeo2339 LINK Supplementary Information (PDF) Yamato 793321

First chondritic meteorite from the São Paulo bolide on 9 January 2015 (15:35 local time) has been found near Porangaba, São Paulo, Brazil

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Update (20 January 2015): Desculpa aí! With apologies to mister Paulo Gama! When first publishing about this fall yesterday, the owner of this website was not aware of Mr. Gama’s wish not to publish information…

First two meteorites from the São Paulo bolide on 9 January 2015 (15:35 local time) have been found near Porangaba, São Paulo, Brazil

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Additional and deviating information about this witnessed fall (updated after registration in the Meteoritical Bulletin on 24 May 2015) can be found HERE (Last update of text below on 24 March 2015) The meteorite weighs…

Ice structure discovered at position 69°48’00.0″S 32°15’36.0″E on Roi Baudoin Ice Shelf, Princess Ragnhild Coast, Queen Maud Land, East Antarctica is not connected to 2004 superbolide

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UPDATE (17 February 2015) The giant circular scar on the King Baudouin Ice Shelf: a glaciologist’s perspective Interview with Dr. Jan Lenaerts (17 February 2015) Taking a second look at the circular scar on the…

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