{"id":189,"date":"2021-12-02T12:47:40","date_gmt":"2021-12-02T11:47:40","guid":{"rendered":"https:\/\/kids.esa.int\/spacecraft_gaia_satellite_maps_over_a_billion_stars\/"},"modified":"2026-10-08T00:25:17","modified_gmt":"2026-10-07T22:25:17","slug":"spacecraft_gaia_satellite_maps_over_a_billion_stars","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sl\/spacecraft_gaia_satellite_maps_over_a_billion_stars\/","title":{"rendered":"Satelit Gaia je kartiral ve\u010d kot milijardo zvezd!"},"content":{"rendered":"<div class=\"lede\">\n<p>Satelit Evropske vesoljske agencije z imenom Gaia je 22 mesecev kartiral nebo z ve\u010djo natan\u010dnostjo kot kdaj koli prej. Zdaj so astronomi na podlagi teh podatkov izdelali nov zemljevid vesolja, ki prikazuje na\u0161o galaksijo, Mle\u010dno cesto, v neverjetnih podrobnostih!<\/p>\n<\/div>\n<p>Ta nova karta vklju\u010duje zelo natan\u010dne meritve ve\u010d kot milijarde zvezd, vklju\u010dno z njihovimi polo\u017eaji in gibanji v vesolju. Gaia je izmerila tudi barve, svetlost in povr\u0161inske temperature nekaterih zvezd. Zbrala je celo podatke o nekaterih zvezdah zunaj na\u0161e galaksije. Zabele\u017eenih je bilo tudi 14.000 asteroidov v na\u0161em Oson\u010dju, kar nam daje ve\u010d informacij o teh nenavadnih kamnitih telesih v vesolju. Neverjetno je, da je Gaia zabele\u017eila polo\u017eaje pol milijona oddaljenih kvazarjev, ki so svetle galaksije, katerih svetlobo poganjajo supermasivne \u010drne luknje v njihovih jedrih!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"4300\" data-credit=\"ESA\/Gaia\/DPAC\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Gaia_s_sky_in_colour\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/gaia_s_sky_in_colour\/17897126-2-eng-GB\/Gaia_s_sky_in_colour.jpg\" alt=\"Gaia\u2019s sky in colour\"><figcaption>Gajino nebo v barvah<\/figcaption><\/figure>\n<p>Misija Gaia je o\u010ditno zelo pomembna, zato je pribli\u017eno 450 znanstvenikov in programerjev delalo na tem, da bi podatke satelita pretvorili v zvezdni zemljevid. Astronomi po vsem svetu imajo zdaj dostop do vseh teh podatkov in so nad njimi zelo navdu\u0161eni! \u017de kratko preu\u010devanje zemljevida je zadostovalo, da smo bolje razumeli starost zvezd v na\u0161i galaksiji ter njihovo gibanje v vesolju, kar je bistveno za raziskovanje, kako se zvezde oblikujejo in spreminjajo skozi \u010das.<\/p>\n<p>Novi podatki so bili uporabljeni tudi za izra\u010dun tirnic 75 kroglastih zvezdnih kopic in 12 pritlikavih galaksij, ki kro\u017eijo okoli na\u0161e galaksije, Mle\u010dne ceste. To nam bo pomagalo pri raziskovanju galaksije in njenega okolja, kakr\u0161no je danes, kakr\u0161no je bilo v preteklosti, ter pri napovedovanju, kak\u0161no bo v prihodnosti. Kako gravitacija vpliva na gibanje teles v vesolju in kak\u0161en vpliv ima skrivnostna temna snov? Zahvaljujo\u010d misiji Gaia imajo astronomi na voljo veliko novih namigov.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2560\" data-credit=\"ESA, CC BY-SA 3.0 IGO\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Cosmic_scales_covered_by_Gaia_s_second_data_release\" data-licence=\"CC BY-SA 3.0 IGO or ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/cosmic_scales_covered_by_gaia_s_second_data_release\/17874260-2-eng-GB\/Cosmic_scales_covered_by_Gaia_s_second_data_release.jpg\" alt=\"Cosmic scales covered by Gaia\u2019s second data release\"><figcaption>Kozmi\u010dne lestvice, zajete v drugi objavi podatkov projekta Gaia<\/figcaption><\/figure>\n<p>Direktor za znanost pri ESA, G\u00fcnther Hasinger, je dejal: \u201cOpazovanja, ki jih je zbrala sonda Gaia, na novo opredeljujejo temelje astronomije.\u201d To je resni\u010dno vznemirljiv \u010das za vse, ki jih zanima vesolje! Kaj nam bo zemljevid Gaie pomagal odkriti v prihodnosti?<\/p>\n<p><b>Zanimiv podatek:<\/b> Nekatere zvezde so bile izmerjene z enako natan\u010dnostjo, kot bi opazovalec na Zemlji lahko opazil evrski kovanec na povr\u0161ini Lune!<\/p>","protected":false},"excerpt":{"rendered":"<p>A European Space Agency satellite called Gaia has spent 22 months charting the sky in more detail than ever before. Now astronomers have used this data to make a new [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/artist_s_impression_of_gaia\/18247105-2-eng-GB\/Artist_s_impression_of_Gaia.jpg","esa_banner_description":"Artist's impression of Gaia","esa_banner_credit":"ESA\u2013D. 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