North Star, uye sei kuwana Little Dipper pamusoro Big Dipper?

Kana ukatarira shure emakore, pakati asterisks zhinji asi rinokosha nzvimbo inogarwa renyeredzi Ursa Minor. Uchapupu zvose hunoratidza kuti rwendo yekare kwaibva nzvimbo kwenyeredzi mairi. Kunyange zvazvo vaFenikiya dzimwe nguva vanoshandisa orienteering Big Dipper, pasinei waro mukuru kupenya, zvinogona kupa zvinokosha mashoko okuti zviri kutsunga munzira.

How kuwana Ursa Minor yakawanda?

Zviri pachena kuti vakawanda uchawana Big Dipper nyore. Hazvina upenyu zvikuru uye yakajeka. Kuziva kuti zvinyamutanhatu maviri varipo, pasina mubvunzo, zvichava pachena sei kuwana Ursa Minor panguva Big Dipper. Kuti aite izvi, unofanira mupfungwa batanidza okupedzisira nyeredzi maviri Big Dipper kubva Meraka (β Big Dipper) kuna Dubhe (α Ursa Major)), kupfuurira mutsetse uyu kusvikira rikayerera kwechinhambwe 5 nguva kupfuura kure pakati pavo. Nenzira iyi, uchawana Alpha (Polaris) renyeredzi Ursa Minor.

, Usati iwe vanonetseka sei kuwana renyeredzi Ursa Minor, achiziva chete nzvimbo Polaris unofanira kunzwisisa kuti mufananidzo mhando ndinoumba chiedza, uye sei asiterisiki riri pamusoro Big Dipper. Kuti tinzwisise zvakakwana: samazita avo, havana kufanana zvakakwana uye akafanana pezvakaita nendiro. Kana nzvimbo, kuti Little Dipper ndiye anenge zvachose pasi nzvimbo panyaya Big Dipper.

Knowledge - simba

Ongorora nyeredzi mepu asati atanga kutsvaka, zvichaita kufambisa kutsvaga yako ive asiterisiki. Naizvozvo, iva nechokwadi uri nyore kuonekwa zviri kutsvakwa akatisiyira boka. Uye kana mumwe munhu akakukumbira kuti kuwana Little Dipper pamusoro Big Dipper, une ruzivo izere chokwadi vachakwanisa kutsanangura zvakajeka sei kutarisa.

Zvakanaka, zvino tinoziva sei kuwana renyeredzi Ursa Minor. Ngatimbotaura pamusoro North Star nawo kuti refu uye zvakaoma nenzira vafambi uye vatsvakurudzi kare. Kunyange zvazvo ichi hachisi chakajeka nyeredzi mudenga usiku, asi riri pedyo kuchamhembe venyika, kukanganisa haasi kupfuudza 1 °. Pashure pemakore 145 chete, nzvimbo kukanganisa, mukuru mumwe dhigirii.

Chete pashure 3200, nyeredzi iri sezvo pedyo kuchamhembe venyika, achaita Alderamin (Alpha Akai).

"Cool" nebere nomuswe ose akabatana pasi

North Star haachinji nzvimbo yayo, pasinei nezuva riparadzirwe Nyika kunhivi ayo akabatana uye wegore inofamba racho pairi ichitenderera zuva. Nokupenya akapesanisa chiedza kuchinyanya hakusi kugara uye kuchinja periodicity 4 Mazuva, mukati 2,02 ± 2%. Apfuura, amplitude ari luminance yakanga yakakwirira nhasi yava kudzikamiswa. Zvinonyatsorehwa kupenya North Star inongogara kukura uye yakawedzera kusvika 15% pamusoro okupedzisira zana apfuura.

pulsation zvakasikwa chokuita ehupfumi yechiedza, ichi ndiwo sei kuzvibata Cepheids. Akapesanisa Star mumwe chakajeka Cepheids mudenga usiku.
Little Dipper mudenga inoremekedzwa nzvimbo dzinenge 255,9 mativi inegumi. Vavakidzani Its dzepedyo ndivo Dragon, Cepheus. In asiterisiki, sezvo kare ambotaurwa, zvinonzi nepekugara, North Pole the World - pfungwa yacho yokudenga bhora, apo zvose zvinhu dzitendererane nayo. Kutaurwa kwokutanga munhau zvinyorwa chakaitwa rechiGiriki nyeredzi Ptolemy ari II remakore.

Ursa Minor uye nyeredzi dzaro

The nemamiriro Small Dipper renyeredzi ine zvinhu nomwe rinobwinya. Zvose nyeredzi Little Dipper zviri pachena zvinoonekwa chete zvitatu zvikuru mikuru. It Ferhad uye Beta Ursae Minoris achiumba madziro nendiro, uye ari panhongonya mubato renyeredzi North Star. Pamusoro muswe of Big Dipper dziri apfuura nyeredzi maviri.

Small Bucket siyanei nevamwe enyeredzi. It hazvichinji nzvimbo mudenga, wakafanana Big Dipper uye vakawanda mamwe asiterisiki dziri pamwaka. Vanogona kuonekwa imwe mwaka, uye vari chinjwa mudenga mugore. Ursa Minor anoshandura nzvimbo yayo, kutenderera kwayo Alpha.

"Arufa naOmega" weboka renyeredzi Ursa Minor ari kuchamhembe hemisphere

Alpha (North Star) Little Dipper riri chinhambwe kubva Earth 431 chiedza gore. Tiine pachena nokukura akaenzana 2,02. Sezvo zvikazikamwa, hakusi chimwe, asi nyeredzi nhatu vakabatana rimwe ino. Chakajeka pakati pavo, anenge 2000 kakapetwa kupenya kwezuva. Nenyeredzi Ursa Minor rechipiri ane guru 1,39 kwezuva. Unogona kuonekwa duku teresikopu. Nyeredzi wechitatu zvikuru hombe kupfuura redu Svondo Alpha pamusoro 1.25, uye zvakakwana pedyo wokutanga. Achibatsirwa teresikopu "Hubble" yava zvichibvira kufunga rive nyeredzi chete.

Beta Ursae Minoris - hofori Orange, Arabic kuti "The Star of North". Second chakajeka nyeredzi, ndiko Beta, iri renyeredzi rimwe Small mugomo ane kwakakura pamusoro 2.8 uye abviswa Earth pa 126 chiedza-makore.

Ferhad - wegamma Ursa Minor, pamwe kwakakura 3,6, daro kuti zviri 480 chiedza makore kure. pfuma iyi anonzi, rinopisa chihombe tembiricha 8600 K uye rinoreva shanduka nyeredzi mhando.

Delta Small Dipper, kana Yildun - a zvipfupi chena, riri chinhambwe 183 chiedza makore.

Zeta - mumwe zvipfupi, chena uye riri chinhambwe 380 makore chiedza kubva Earth. Kuwanda kwayo chomwedzi kusvikira nguva 200 dzakakwirira kupfuura zuva. Iye anogara nenzira nokuumbwa nyeredzi Rafa.

North Star hauzombotadzi

Pamwe yeuka izvi zvose zvikasashanda, asi ruzivo rwako huchawedzera yakakura. Uye kana iwe pakarepo kurasika musango uye hapana neserura, edza kuyeuka kuti kuwana Ursa Minor panguva Big Dipper. Uri akasungwa kuwana Polaris uye dzokumabvazuva umo mirayiridzo iri kuchamhembe.

Denga rizere zvakavanzika uye zvakavanzika zvausingazivi

Kunyange pasina teresikopu, chete tichigumisa ziso kusvika Zvinovheneka usiku, uchaona kuti siyana zvakasikwa yedu huru. Renyeredzi Ursa Minor - chete chiduku chikamu chinooneka nayo. Miganhu uye ukuru anooneka muchadenga kwatiri nhasi zvachose. Ichi hofori zvechokwadi size, kureba - vanenge 14 mabhiriyoni chiedza-makore.

Asi kana zvose zvechokwadi? Pfungwa excites pfungwa masayendisiti zvikuru. Ivo hypothesize, tsvakurudzo, gakava uye edza kunzwisisa kana zvirizvo? Dzimwe nyanzvi akaratidza maonero kuti zvose magumo, vamwe - kuti pane multiverse.

Uye kungava kuti mumwe wavo ane imwe nyika, nyika uye bhuku iwe. Anything zvichiita, sayenzi nguva dzose achisunda vheiri zvisingazivikanwi uye kuvanzwa yedu maonero, nguva dzose vachiratidza kuti chii zvinoita tarenda nhasi kuva chokwadi mangwana.