The haske star: gurbi free

Zai ze, a tantance abin da na taurari ne da haske, yana da sauki, shi ne isa ya kalli sama. Amma ba duk don haka sauki. Don sanin abin da haske taurari gaske tsoma baki da kuma sararin nisa, da kuma interstellar ƙurar, ta kuma ji kuskure. Ko taurari canza su haske a kan lokaci. Amma har yanzu ... Mun yi la'akari da mafi kusantar contenders ga daraja suna kira "The haske star."

A karshen karni na karshe tare da kawo nesa kusa "Hubble" gudanar ya gano star, mai lakabin "Star na gun." Gun ne nebula, wanda aka kafa a sakamakon ejection kwayoyin halitta daga star ta ciki. Bisa ga lissafin astrophysicists, da haske star haskakawa miliyan goma sau fiye da hasken rana, amma daga Earth m kallo ba bayyane, saboda, da farko, an located ma nisa daga gare mu, kuma abu na biyu, ta luminosity yake a ɓõye, "gun". Duk da haka, a 'yan shekaru baya da star kika aika a cikin haske na daraja, da kuma yanzu dauke da cewa shi ne "kawai" miliyan 1.7 sau fiye da hasken rana. Ko da yake shi ne yiwu cewa sabon bi bayani.

Wani contender domin suna ne da star wannan ƙungiyar taurari Carina, located 8000 haske shekaru daga Earth. Tauraro da luminosity canje-canje a kan lokaci, shi gudanar ya gano, karatu da ayyuka na zamanin d astronomical observatories. Eta Carinae a cikin wannan hanya a matsayin star a cikin "gun", da aka kewaye da wani nebula na da kansa samar, Kwafa da Homunculus. Ta fiye da hasken rana a 5 sau miliyan.

Wani contender - tauraron na ƙungiyar taurari na Sagittarius, da aka sani kawai kamar yadda yawan - LBV 1806-20. Ta fiye da hasken rana a cikin 5-40 sau miliyan, domin ayyana mafi daidai ya zuwa yanzu ya kasa.

Kamar yadda zamu iya gani, don gano abin da na sauran astronomical abubuwa mafi cancanta ga suna "The haske star", ba shi yiwuwa. Kowace daga cikin uku mafi m 'yan takara karatu isa ya zama mafi-fi ... Tambayar ita ce, abin da yake cikin haske star a cikin sararin samaniya, ya zauna bude.

Yanzu baya na gagarumi nisa da ganin wanda daya ne a bayyane daga Earth star ne da haske. A farko falakin zuwa rarraba taurari bisa ga kwarjinin da bayyane, wani Greek Hipparchus, wanda ya rayu ƙarni biyu kafin haihuwar Yesu Kristi. Ya gabatar da farko buga da Kalmar "girma". Bayan goma sha takwas da ɗari shekara dubu, da Jamusanci falakin Bayer yanke shawarar designate da hasken taurari da Girkanci haruffa daga cikin haruffa.

Da taimakon zamani kida da hanyoyin gudanar da bincike shi ne mai sauki domin sanin bayyanannar haske na star. Yana da haske star a cikin sama da ƙasa - shi ne Deneb a cikin ƙungiyar taurari Cygnus. Na biyu wuri ke Rigel a cikin ƙungiyar taurari Orion, da kuma na uku - Betelgeuse, wanda kuma ya dake a cikin ƙungiyar taurari na Orion.

Sin ilmin Taurari lura mu san cewa a 1054 akwai wani star haka mai haske cewa shi za a iya gani ko da rana a sararin sama. Zai yiwu shi ne haske star dukan lokaci! Amma sosai da sauri shi ya tafi, kuma a wurinsa zo sanannen kaguwa Nebula. Kamar yadda kafa ta Masana ilmin, shi ne wata supernova fashewa a sakamakon wanda batu na star kafa neutron pulsar, shi ne mafi iko a cikin galaxy. A diamita na pulsar a microscopic sarari matsayin - ba fiye da talatin kilomita.