{"id":1968,"date":"2014-12-11T18:40:08","date_gmt":"2014-12-11T18:40:08","guid":{"rendered":"http:\/\/dev.austrinus.com\/?p=1968"},"modified":"2022-12-02T01:12:39","modified_gmt":"2022-12-02T04:12:39","slug":"meteoros-meteoritos","status":"publish","type":"post","link":"https:\/\/austrinus.com\/en\/meteoros-meteoritos\/","title":{"rendered":"Meteors\/meteorites"},"content":{"rendered":"

Due to the processes that occurred during the formation of the Solar System, a large amount of dust and debris particles were left wandering around, unable to join larger objects to form a massive object, such as a planet. Most of them are located in an area called\u00a0Main Asteroid Belt<\/em>, between Mars and Jupiter, while others are even further away, in an area beyond Neptune known as the\u00a0Kuiper Asteroid Belt<\/em>.<\/p>\n

\"\"
Differences between meteoroid, meteor and meteorite. Credit: infoastronomy.com<\/figcaption><\/figure>\n

However, many of these particles (called meteoroids<\/strong>) do not have a defined location, and simply occupy an orbit that may be more or less close to the Sun. Or, as also happens, they correspond to particles that were left wandering after the passage of a comet around the Sun. So it happens that occasionally, when The Earth passes through an area of space that contains these particles, its gravity inevitably attracts them and the particles fall towards the planet. Because most of these loose particles are no larger than a grain of sand or rice, their passage through the Earth is very ephemeral.<\/p>\n

The hot air pocket that forms around the particle, due to the high speed it carries, burns it after a few seconds and completely pulverizes it. This is what is commonly known as "Shooting Star<\/em>", but whose real name is meteor<\/strong>. However, those debris that are somewhat larger have the possibility that a small part survives the fall, managing to reach the surface. In this case, the object fallen from space is called meteorite<\/strong>, and if we are lucky enough to find one, it can reveal important questions regarding the formation of the Solar System, since they are objects that have remained unchanged since then (about 4.6 billion years ago).<\/p>\n

<\/p>\n

Meteoritics and notable cases<\/strong><\/p>\n

\"\"This is where an important area of study arises, where especially hobbyists can make contributions. It's about the\u00a0meteoritic<\/strong>, the study of these bodies from space and the information they contain inside. Without a doubt, meteorites have been falling on Earth long before Man appeared, and throughout History these rocks have received different interpretations: gifts from gods, sources of worship or divine punishments. Some of the largest meteorites weigh more than 100 kilos, and in many cases they have involved direct witnesses.<\/p>\n

Some of the most famous events of this type are the meteorite\u00a0hoba\u00a0<\/strong>found in Namibia (the heaviest in the world at 60 tons), the\u00a0Tunguska event<\/strong>\u00a0(although it is not really clear if what fell was an asteroid or comet), the meteorite\u00a0ALH84001<\/strong>\u00a0fallen in Antarctica, coming from Mars, sparking controversy at the time for containing what seemed like fossil samples of microscopic life, and, by the way, the event that extinct the dinosaurs 65 million years ago, whose crater would correspond to the from Chicxulub, on the Yucatan Peninsula (Mexico).<\/p>\n

\"Meteorito\"Meteorites are classified (among other things) by their composition. These might be\u00a0rocky<\/strong>,\u00a0metallic<\/strong>\u00a0or one\u00a0mix<\/strong>, highlighting silicate minerals in the case of rocky ones, and iron-nickel for metallic ones. A high majority (85%) are composed of silicates, while only 5% are metallic, and it is thought that many come from the break-ups of larger asteroids, when the Solar System was just forming. However, the vast majority of space objects that reach Earth disintegrate in its atmosphere and only a few manage to cross this barrier and survive.<\/p>\n

Due to their characteristics, the most feasible way to locate them is by searching in flat places, such as deserts or frozen terrain. There are techniques to recognize them, although it requires an arduous search task for those who dedicate themselves to this discipline.<\/p>\n

In addition to the casual observation of meteors or fireballs, there is a striking and visible phenomenon at different times of the year, called\u00a0meteor shower<\/strong>, in which we can see a large number of flashes in a specific region of the sky. It's just one of many others\u00a0celestial phenomena<\/a> that are within our reach and that you can review on this site.<\/p>","protected":false},"excerpt":{"rendered":"

Due to the processes that occurred during the formation of the Solar System, a large amount of dust and debris particles were left wandering around, unable to join larger objects to form a massive object, such as a planet. Most are found in an area called the Main Asteroid Belt, between Mars and Jupiter, while others...<\/p>","protected":false},"author":1,"featured_media":7319,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-1968","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cuerpos-menores"],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1-150x150.jpg","medium":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1-300x200.jpg","medium_large":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1-768x512.jpg","large":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1-1024x683.jpg","1536x1536":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1.jpg","2048x2048":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1.jpg","trp-custom-language-flag":"https:\/\/austrinus.com\/wp-content\/uploads\/2014\/12\/meteor-icon-1.jpg"},"magazineBlocksPostAuthor":{"name":"Farid","avatar":"https:\/\/secure.gravatar.com\/avatar\/57e8aa07b0d16e13c8408ea413c009fc7da05f4cbb36da0d568b4235b1eaee6b?s=96&r=g"},"magazineBlocksPostCommentsNumber":false,"magazineBlocksPostExcerpt":"Debido a los procesos que sucedieron durante la formaci\u00f3n del Sistema Solar, una gran cantidad de part\u00edculas de polvo y escombros quedaron vagando, sin lograr unirse a objetos m\u00e1s grandes para formar un objeto masivo, como un planeta. 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