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Gravity, Kepler's laws, orbital elements, speeds, escape, the rocket equation and how spacecraft travel between worlds.
NASA/JPL/Space Science Institute
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Gravity
- Newton's gravity · 12 min Completed
Wani doka na bayyana yadda tumatir ke faɗuwa, da kuma hanyar da wata ke tafiya da kuma ta kowace duniyar. Ka yi amfani da bindigar Newton ka gano yadda take aiki.
- Newton's gravity · 12 min Completed
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Sharuɗɗan Kepler
- Sharuɗɗan Kepler · 14 min Completed
Ka'idoji uku da aka samu daga binciken da aka yi da hankali a farkon shekaru 1600 suna ci gaba da bayyana kowace orbit, daga watanni zuwa exoplanets.
- Sharuɗɗan Kepler · 14 min Completed
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Orbital elements
- Orbital elements · 14 min Completed
An sanya sunayensu a cikin wani abu da ya shafi sararin samaniya, kamar girmansa, siffarsa, zurfinsa, da kuma inda jikinsa yake.
- Orbital elements · 14 min Completed
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Phonon:: MMF:: EffectFactory
- Orbital speed: the vis-viva equation · 12 min Completed
One short equation gives the speed of anything in orbit at any point, if you know how far it is and the size of its orbit.
- Orbital speed: the vis-viva equation · 12 min Completed
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Escape velocity
- Escape velocity · 12 min Completed
Da yaushe za ka iya barin duniyar da ta fi kyau kuma me yasa rokets ba su bukatar su isa ga ƙasa?
- Escape velocity · 12 min Completed
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Me yasa wani orbit yana da wata faduwa
- Me yasa wani orbit yana da wata faduwa · 10 min Completed
'Yan sama suna tafiya a kan ruwa ba saboda babu wani nauyin jiki a sama ba, amma saboda suna faduwa duk lokacin da suke so, kuma suna rasa.
- Me yasa wani orbit yana da wata faduwa · 10 min Completed
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Reaching orbit: the gravity turn
- Reaching orbit · 12 min Completed
Me yasa rokets sukan tashi na mintina kaɗan kawai, sa'an nan kuma su kashe mintuna goma suna tafiya a gefe: juyawar jujjuyawar, da kuma shigarwa cikin orbit.
- Reaching orbit · 12 min Completed
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The rocket equation and delta-v
- The rocket equation and delta-v · 12 min Completed
Me yasa rokets ne mafi yawan man fetur, me ya sa su zo a matakai, da kuma daya equation bayan duk wani aiki na kasafin kudi.
- The rocket equation and delta-v · 12 min Completed
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Hohmann transfers
- Hohmann ya canja: canja orbits · 12 min Completed
Don ka tafi sama kana da sauri, kuma daga nan kana zuwa cikin sauri. Mannewar biyu-da-haske wadda ke motsa salula daga orbit mai ƙasƙanci zuwa geostationary orbit.
- Hohmann ya canja: canja orbits · 12 min Completed
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Fara tagogi
- Fara tagogi: hanyar zuwa Mars · 12 min Completed
Ba za ka iya nufi Mars ba, kawai inda Mars zai kasance a cikin watanni takwas. Don me ma'aikatar Mars ke tafiya kowace wata 26, duka a lokaci guda?
- Fara tagogi: hanyar zuwa Mars · 12 min Completed
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Orbital insertion: getting captured
- Orbital insertion: getting captured · 12 min Completed
Sakamakon zuwa wata duniyar ita ce mafi hadarin minti na wani aiki: wuta daya ta yanke shawarar ko za ka zauna ko kuma ka yi tafiya a baya har abada.
- Orbital insertion: getting captured · 12 min Completed
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Gravity
- Gravity assists: free slingshot · 12 min Completed
Ta yaya Voyager, Cassini da New Horizons suka sace gudu daga duniyar, da kuma me yasa ba ta taba karya tsarin tsare-tsaren makamashi ba.
- Gravity assists: free slingshot · 12 min Completed
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Lagrange points
- Lagrange points: daidaita a sama · 11 min Completed
A cikin wannan littafin, an bayyana wurare biyar a duk duniyar da jirgin sararin samaniya zai iya tafiya tare da su kyauta, da kuma dalilin da ya sa James Webb Space Telescope ke zaune a ɗaya daga cikinsu.
- Lagrange points: daidaita a sama · 11 min Completed
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Rendezvous da docking
- Rendezvous: na kama tashar sararin samaniya · 11 min Completed
Don ka kama wani abu a gabanka a cikin orbit, kana faduwa ƙasa kuma ka yi sauri-tare da sauri.
- Rendezvous: na kama tashar sararin samaniya · 11 min Completed
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Coming home: reentry
- Coming home: reentry · 11 min Completed
Wani yunkuri mai ƙarancin ƙarfi yana rage gudun jirgin sama da mita ɗari a kowane minti, kuma iska tana kula da sauran kilomita 7.8 a kowane minti, kamar ƙanƙara.
- Coming home: reentry · 11 min Completed
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Kayan aiki da karatu suna amfani da siffofin sauƙi don koyon kawai. Ba za a iya amfani da su don tafiyar ruwa, shirin aiki ko wani hukuncin aiki ba. Shaidu ne kyauta kuma ba a amince da su ba. Ka karanta bayanin da ke cikin shirin koyarwa