Isikhashana

1. 1

   Ubunzima beNewton

   • Ubunzima beNewton · 12 min

     Umthetho owodwa uchaza ama-apples awela, i-orbit yenyanga kanye nendlela yazo zonke iziplanethi. Vumela i-Newton's cannon ivule futhi ubone ukuthi isebenza kanjani.

2. 2

   Imithetho ka-Kepler

   • Imithetho ka-Kepler · 14 min

     Izimiso ezintathu ezitholakele ngokuhlola okucophelela ekuqaleni kuka-1600s zichaza yonke imijikelezo, kusuka kumasonto kuya kumaplanethi angaphandle.

3. 3

   Ama-orbital elements

   • Ama-orbital elements · 14 min

     Amanombolo ayisithupha abeka phansi noma iyiphi i-orbit ephaketheni: ubukhulu bayo, uhlobo, ukuphakama, ukuqondiswa kanye nendawo lapho isiqu sikhona khona.

4. 4

   Isivinini se-orbital: i-equation ye-vis-viva

   • Isivinini se-orbital: i-equation ye-vis-viva · 12 min

     I-equation encane inikeza isivinini sokwehlukana kwezinto eziphilayo nganoma yisiphi isikhathi, uma uyazi ukuthi zihlala nini futhi zingakanani.

5. 5

   Ukuhambahamba

   • Ukuhambahamba · 12 min

     Ingabe kufanele uhambe ngokushesha kangakanani ukuze ushiye izwe ngokulungile? Nakuba kungani ama-rockets angeke afike endaweni engaphandle.

6. 6

   Kungani i-orbit iwela

   • Kungani i-orbit iwela · 10 min

     Abacwaningi bomhlaba bahamba phezulu ngoba akukho ukunyakaza okuphezulu, kodwa ngenxa yokuthi bewela isikhathi sonke, futhi belahlekile.

7. 7

   Ukufinyelela e-orbit: ukujikeleza kwengcindezi

   • Ukufinyelela e-orbit · 12 min

     Why rockets go up for only a few seconds, then spend ten minutes going sideways: the gravity turn, staging and orbital insertion.

8. 8

   I-rocket equation ne-delta-v

   • I-rocket equation ne-delta-v · 12 min

     Kungani ama-rockets asetshenziswa kakhulu njengezimoto, kungani zivela ezinyangeni, nokuthi yiziphi izibalo ezikhona ngaphesheya kwezimali zomsebenzi ngamunye.

9. 9

   Ukulungiswa kwe-Hohmann

   • Ukudluliswa kuka-Hohmann: ukushintsha ama-orbit · 12 min

     Ukuya phezulu ukhawulela, bese ufika ngokucophelela. Umsebenzi wokudlidliza omibili osuka e-orbit ephansi ukuya ku-geostationary orbit.

10. 10

    Qala amafasitela

    • Qala amafasitela: indlela eya eMars · 12 min

      Awukwazi ukubheka iMars, kuphela lapho iMars izobe ikhona eminyakeni emihlanu. Kungani izisebenzi ze-Mars ziphuma ngonyaka ngamunye ongu-26, zonke ngasikhathi sinye.

11. 11

    Ukungeniswa kwe-orbital: ukuqashwa

    • Ukungeniswa kwe-orbital: ukuqashwa · 12 min

      Ukufika eplanethini kuyimininingwane engozi kakhulu yemisebenzi: ukudlwengula okuthile kusho ukuthi ngabe uhlala noma undiza ngaphambili.

12. 12

    Ukucindezeleka kusiza

    • Ukugcizelelana kusiza: i-slingshot ekhululekile · 12 min

      Indlela i-Voyager, Cassini neNew Horizons ethonya ngayo isivinini seplanethi, nokuthi kungani ayikho into ephula ukuvikelwa kwengcindezi.

13. 13

    Amaphuzu we-Lagrange

    • Amaphuzu we-Lagrange: ukulinganisela ezulu · 11 min

      Izinsiza eziyisithupha ezijikeleze zonke izizwe ezimbili lapho i-spacecraft ingahamba khona ngokukhululekile, futhi kungani iJames Webb Space Telescope ihlala esinye sazo.

14. 14

    Ukuhlangana nokudoka

    • Rendezvous: ukuqoqa isikhumulo sezindiza · 11 min

      Ukuqapha okuthile phambi kwakho e-orbit, ukhuphuka phezulu bese uhamba ngokucophelela kodwa ngokushesha. Umsebenzi ophikisana nokuqonda ukuhlangana endaweni.

15. 15

    Ukubuyela ekhaya: ukungenisa kabusha

    • Ukubuyela ekhaya: ukungenisa kabusha · 11 min

      Ukwehla okuncane kusheshisa i-spacecraft ngamamitha ayikhulu ngesekondi, futhi umoya uthatha izingxenye ezingu-7.8 km ngesekondi, njengebhola lomlilo.

16. 16

    I-porkchop plots

    Kuzofika ngokushesha

17. 17

    Ama-asteroids nama-comets

    Kuzofika ngokushesha

Amathuluzi nama-lessons asebenzisa amamodeli alula ukufundela kuphela. Akufanele asetshenziswa ukuhlola, ukuhlela umsebenzi noma noma yiluphi ukhetho lokusebenzela. Izitifiketi zimahhala futhi aziqinisekisiwe. Funda isichazamazwi sezinto ezifundiswayo