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The Hoba meteorite is thought to have impacted Earth less than 80,000 years ago. It is inferred [ 4 ] that the Earth's atmosphere slowed the object in such a way that it impacted the surface at terminal velocity , thereby remaining intact and causing little excavation (expulsion of earth).
The 60-tonne, 2.7 m-long (8.9 ft) Hoba meteorite in Namibia is the largest known intact meteorite.[1]A meteorite is a rock that originated in outer space and has fallen to the surface of a planet or moon.
This is a list of largest meteorites on Earth. Size can be assessed by the largest fragment of a given meteorite or the total amount of material coming from the same meteorite fall: often a single meteoroid during atmospheric entry tends to fragment into more pieces. The table lists the largest meteorites found on the Earth's surface.
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The Winchcombe meteorite is a rare find, with a similar hydrogen isotope ratio to the water on Earth.. Recovering a meteorite within 12 hours of arrival means it is as pristine a specimen as we ...
The meteorite was found in the rubble of the museum and moved to a temporary home in Hays, Kansas while Greensburg was rebuilding. [64] [65] In May 2012, the new Big Well Museum and Visitor Information Center opened featuring exhibits about the history of Greensburg, The Big Well, the 2007 tornado, the rebuilding process, and the meteorite.
Analyzing the chemical composition of the meteorite’s 4.45 billion-year-old zircon grain — a mineral that is typically only a few millimeters in size and formed in rocks that have been altered ...
The visitor center also displayed a Brenham half-ton (1,000 lb, 450 kg) pallasite meteorite recovered from the area. The meteorite was billed as the world's largest single-piece pallasite, [10] but that title is held by other samples. It was reported that the Big Well visitor center was destroyed, and the meteorite was missing on May 7. [11]