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Free-air gravity anomaly over the Chicxulub structure (coastline and state boundaries shown as black lines) The Chicxulub crater ( IPA: [t͡ʃikʃuˈluɓ] ⓘ cheek-shoo-LOOB) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after the onshore community of Chicxulub Pueblo ...
Meteor Crater, or Barringer Crater, is an impact crater about 37 mi (60 km) east of Flagstaff and 18 mi (29 km) west of Winslow in the desert of northern Arizona, United States. The site had several earlier names, and fragments of the meteorite are officially called the Canyon Diablo Meteorite , after the adjacent Canyon Diablo .
Meteor, or MeteorJS, is a partly proprietary, mostly free and open-source isomorphic JavaScript web framework [ 3] written using Node.js. Meteor allows for rapid prototyping and produces cross-platform ( Android, iOS, Web) code. The server-side MongoDB program is the only proprietary component of Meteor and is part of the Meteor download bundle.
Linux kernel version history. This article documents the version history of the Linux kernel . Each major version – identified by the first two numbers of a release version – is designated one of the following levels of support: Supported till next stable version. Long-term support (LTS); maintained for a few years [ 1] Super-long-term ...
Meteor burst communications (MBC), also referred to as meteor scatter communications, [1] is a radio propagation mode that exploits the ionized trails of meteors during atmospheric entry to establish brief communications paths between radio stations up to 2,250 kilometres (1,400 mi) apart. There can be forward-scatter or back-scatter of the ...
A 112.2 gram (3.96 oz) Chelyabinsk meteorite specimen, one of many found within days of the airburst, this one between the villages of Deputatsky and Emanzhelinsk. The broken fragment displays a thick primary fusion crust with flow lines and a heavily shocked matrix with melt veins and planar fractures. Scale cube is 1 cm (0.39 in).
Meteor-1 was a set of fully operational Russian meteorological satellite launched from the Plesetsk site. The satellites were placed in a near-circular, near-polar prograde orbit to provide near-global observations of the earth's weather systems, cloud cover, ice and snow fields, and reflected and emitted radiation from the dayside and nightside of the earth-atmosphere system for operational ...
WSJT-X is a computer program used for weak- signal radio communication between amateur radio operators. The program was initially written by Joe Taylor, K1JT, but is now open source and is developed by a small team. The digital signal processing techniques in WSJT-X make it substantially easier for amateur radio operators to employ esoteric ...