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6 samih strannih planet v nashej VselennojMir iz stekla, sverhbistrij sharik na orbite puljsara i yadro bivshego gazovog...
19/05/2022

6 samih strannih planet v nashej Vselennoj
Mir iz stekla, sverhbistrij sharik na orbite puljsara i yadro bivshego gazovogo giganta: nashli samie strannie planeti vo Vselennoj.
1. Planeta ljda i ognyaIzobrazhenie: NASA / JPL-CaltechImya etoj planeti — Saffar, a eschyo eyo nazivayut Ipsilon Andromedi b. Eto gazovij gigant, kotorij vraschaetsya vokrug solncepodobnoj zvezdi v sozvezdii Andromedi. Prichyom ona raspolozhena tak blizko k svoemu svetilu, chto god tam prohodit za pyatj dnej.Saffar ne vraschaetsya vokrug svoej osi, tak chto na odnoj eyo polovine vechnij denj, na drugoj — beskonechnaya nochj. Na svetu temperatura na planete dostigaetDistant Planet is Half Fire, Half Ice / Space 1 650 °S, i tam letayutSpectrum and atmosphere models of irradiated transiting giant planets | Proceedings of the International Astronomical Union / Cambridge Core oblaka iz goryachih oksidov vanadiya i titana, a takzhe gazoobraznih silikatov i zheleza. Na tyomnoj storone — moroz pod −230 °S. Planeta sinevatogo cveta i v 1,36 raza boljshe nashego Yupitera.2. StekloduvIzobrazhenie: ESA / HubbleEto bezimyannoe nebesnoe telo s indeksom HD 189733b raspolozheno v 64,5 svetovogo goda ot Solnechnoj sistemi v sozvezdii Lisichki. Planeta otnositsyaELODIE metallicity-biased search for transiting Hot Jupiters / Astronomy & Astrophysics (A&A) k klassu tak nazivaemih «goryachih Yupiterov». Ona sostoit iz vodoroda i imeet otchyotlivij sinij cvet.Osobennostj etogo mira — ogromnoe kolichestvo silikatov v himicheskom sostave atmosferi. Temperatura zdesj ne padaet nizhe 700 °C, a skorostj vetra dostigaet 8 700 kilometrov v chas. Iz-za etogo silikati prevraschayutsya v goryachee steklo, strui kotorogo neprerivno nosyatsya po planete vmeste s uraganami. Prosche govorya, na HD 189733b vechno idyot gorizontaljnij dozhdjRains of Terror on Exoplanet HD 189733b / NASA iz rasplavlennogo stekla.3. Htonicheskij mirIzobrazhenie: Mark Garlick / University of WarwickHD 189733b postoyanno teryaet svoyu atmosferu. Iz-za chudovischnih temperatur eyo gaz bistro isparyaetsya v kosmos, i planeta medlenno, no verno teryaet v masse. U etogo nebesnogo tela estj rodstvenniki, kotorie uzhe lishilisj atmosferi, — gazovie giganti, ot kotorih ostalosj odno toljko obnazhyonnoe yadro.Takie objekti nazivayutVery high-density planets: a possible remnant of gas giants / Philosophical Transactions of the Royal Society htonicheskimi (chto znachit «podzemnie»). Odin iz predstavitelejExoplanet-catalog, TOI-849 b / Exoplanet Exploration etogo klassa — TOI 849b, ogromnaya planeta v 700 svetovih godah ot nas. Ona razmerom s Neptun, no, v otlichie ot nego, pochti ne imeet atmosferi.Nekogda TOI 849b bila gazovim gigantom boljshe Yupitera, no zhar zvezdi viparil eyo do samogo eyo serdca. V itoge ot planeti ostalsyaA remnant planetary core in the hot-Neptune desert / Nature lishj skalistij ogrizok, kotorij, tem ne menee, v 39 raz tyazhelee nashej Zemli.4. YulaIzobrazhenie: Wikimedia CommonsPSR J1719-14b — planeta, sostoyaschaya preimuschestvenno iz kristallicheskogo ugleroda. A znachit, v eyo nedrah teoreticheski mozhet soderzhatjsya ogromnij almazAstronomers discover planet made of diamond / Reuters. No eto nauke eschyo toljko predstoit podtverditj ili oprovergnutj.A vot chto izvestno tochno: PSR J1719-14b krutitsya vokrug ogromnogo puljsara prosto neveroyatno bistro. Etot mir delaetTransformation of a Star into a Planet in a Millisecond Pulsar Binary / Science odin oborot vokrug svoej zvezdi za 2,2 chasa. Sam zhe puljsar uspevaet soversh*tj 10 000 oborotov v minutu. Eto zvezda massoj v poltora raza boljshe Solnca, a eyo diametr vsego 20 kilometrov.5. Pervobitnaya planetaIzobrazhenie: NASA / G. BaconPSR B1620-26b neoficialjno nazivayut «Mafusail» ili «Planeta Bitiya». Ona vraschaetsyaOldest Known Planet Identified / NASA vokrug dvuh zvyozd — puljsara i belogo karlika. Kazalosj bi, eto zauryadnoe nebesnoe telo v 2,6 raza boljshe Yupitera ne otlichaetsya ot drugih gazovih gigantov.Odnako estj odno no: Mafusail neveroyatno starij. Etoj planete poryadka 12,7 milliarda let. Eto znachit, chto ona poyavilasjOldest Known Planet Identified / NASA primerno cherez milliard let posle zarozhdeniya Vselennoj. Dlya sravneniya, nashej Solnechnoj sisteme vsego 4,6 milliarda let.6. Vishnyovij gigantIzobrazhenie: NASA’s Goddard Space Flight Center / S. WiessingerGliese 504b — planeta, raspolozhennaya na rasstoyanii okolo 57,3 svetovogo goda ot nas i pohozhaya na Yupiter. Ona vraschaetsyaDirect Imaging of a Cold Jovian ExoplanetIn Orbit Around A Sun-like Star GJ 504 / IOPscience vokrug solncepodobnoj zvezdi pod nazvaniem 59 Devi.Gazovij gigant mozhet pohvastatjsyaAstronomers Image Lowest-mass Exoplanet Around a Sun-like Star | NASA ocharovateljnim cvetom speloj vishni, kakogo astronomi u drugih planet ne nablyudali. Uchyonie do sih por ne uvereni, pochemu on takoj.Gliese 504b strannaya eschyo i potomu, chto krutitsya slishkom daleko ot svoej zvezdi, chto zastavlyaet sotrudnikov NASA perestraivatj ih teoreticheskie modeli, opisivayuschie formirovanie gazovih gigantov.

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