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A rebuttal in Astronomy & Geophysics countered that Loeb et al. had ignored that the amount of iridium deposited around the globe, 2.0 × 10 8 –2.8 × 10 8 kg (4.4 × 10 8 –6.2 × 10 8 lb), was too large for a comet of the size implied by the crater, and that they had overestimated likely comet impact rates.
The Chicxulub crater (/ ˈ tʃ iː k ʃ ə l uː b /; Mayan pronunciation: [tʃʼikʃuluɓ]) is a prehistoric impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is located near the town of Chicxulub , after which the crater is named.
Chicxulub Crater is an ancient impact crater buried underneath the Yucatán Peninsula, with its center located near the town of Chicxulub, Yucatán, Mexico.The crater is over 180 kilometers (110 mi) in diameter, making the feature one of the largest confirmed impact structures in the world; the asteroid or comet whose impact formed the crater was at least 10 km (6 mi) in diameter.
Crater Crater diameter Body diameter Ratio Images Notes Mercury: Caloris: 1,550 km (963 mi) 4,880 km 32% Rembrandt: 715 km (444 mi) 15% Venus: Mead: 280 km (170 mi) 12,100 km 2% Earth: Vredefort: 250–300 km (160–190 mi) 12,740 km 2% Chicxulub crater: 182 km (113 mi) 1.4% Cause or contributor of the Cretaceous–Paleogene extinction event ...
Chicxulub Puerto (IPA: [tʃikʃuˈlub] ⓘ) is a small coastal town in Progreso Municipality in the Mexican state of Yucatán. It is located on the Gulf of Mexico , in the northwestern region of the state about 8 km (5 mi) east of the city port of Progreso , the municipality seat, and 42 km (26 mi) north of the city of Mérida , the state capital.
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Location of the Chicxulub Crater on the Yucatan Peninsula of Mexico. 1991. Hildebrand and Boynton declared the Chicxulub Crater to be the result of the impact that triggered the mass extinction at the end of the Cretaceous. [50] Hildebrand and others estimated the diameter of the Chicxulub Crater at 170 kilometers. [39]
The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico. [10] Its center is located near the town of Chicxulub, after which the crater is named. [11] It was formed by a large asteroid or comet about 10–15 km (6.2–9.3 mi) in diameter, [12] [13] the Chicxulub impactor, striking the Earth. The date of the ...