Английская Википедия:Braunschweig meteorite

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Шаблон:Short description Шаблон:Infobox meteorite

The Braunschweig meteorite is a Шаблон:Convert meteorite that hit Melverode, a suburb in Braunschweig, Germany, at around 2:05 AM on 23 April 2013. It hit the concrete pavement in front of the home of Erhard Seemann, breaking into hundreds of fragments on impact, the largest of which is Шаблон:Convert. The meteorite created a small impact crater in the concrete, with a diameter of Шаблон:Convert and a depth of Шаблон:Convert.[1][2]

Composition and classification

The meteorite has been classified as an L6 ordinary chondrite.[1]

Impact

The meteorite fell at around 2:05 AM on 23 April 2013, with an estimated velocity of Шаблон:Convert. It hit concrete pavement Шаблон:Convert from Erhard Seemann's front door, breaking into hundreds of fragments upon impact. The largest fragment, with a mass of 214 grams, stuck in the concrete, forming an impact crater with a diameter of Шаблон:Convert and a depth of Шаблон:Convert. Fragments of concrete ejected from the impact were as wide as Шаблон:Convert. Many other fragments of the meteorite were found within Шаблон:Convert from the impact crater by several people.[2][3] Traces of a secondary impact were found at a nearby brick wall in the form of indents Шаблон:Convert wide. A total of Шаблон:Convert of fragments were found.[2]

Файл:Braunschweig crater.jpg
The impact crater containing the meteorite's largest fragment, with a mass of 214 grams.

Reports

A neighbor reported hearing a strong hum and "whoosh" followed by a loud crash at around 2:10 AM, and then found four fragments of the meteorite on his driveway. In Ahlum, Шаблон:Convert from the impact site, Julian Mascow reported a bright flare approaching from the southeast for 1–2 seconds, with a luminosity "like dawn," before ending in a "short tracer just over his head." He heard a loud explosion about 90 seconds later followed by a rumbling noise. Mark Vornhusen's web camera documented the fireball from Vechta, located about Шаблон:Convert from Braunschweig.[2][1] The light meter of a weather station in Brandenburg, approximately Шаблон:Convert from Braunschweig, recorded 5 seconds of brightening. The Technical University of Braunschweig informed expert Rainer Bartoschewitz of the reports, who inspected the site on April 27 and confirmed the meteorite.[2]

References

Шаблон:Reflist

External links

Шаблон:Meteorites by name Шаблон:Modern impact events