Hubble i-a gasit Caii Lactee o sora geamana
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O imagine obtinuta de telescopul spatial Hubble arata o galaxie care seamana foarte bine cu a noastra. NGC3949 este o grupare astrala in spirala situata relativ "aproape" de Terra, la circa 50
O imagine obtinuta de telescopul spatial Hubble arata o galaxie care seamana foarte bine cu a noastra. NGC3949 este o grupare astrala in spirala situata relativ "aproape" de Terra, la circa 50 milioane de ani-lumina pe directia Carului Mare, "ascunsa" intr-un nor de peste 50 de galaxii intre care este una din cele mai mari. Studiind-o, astronomii spera sa poata intelege mai multe lucruri despre propria noastra galaxie, asupra careia este mai greu sa obtina o asemenea perspectiva. Similar Caii Lactee, NGC3949 contine un disc albastru de stele tinere, punctat de pete roz stralucitoare ce indica stele in curs de formare, iar partea luminoasa din centru este formata din stele rosii, mai "varstnice". Imaginea a fost realizata pe baza datelor furnizate de "Camera planetara 2" a telescopului Hubble in 2001. Recent, NASA a anuntat ca unul din cele patru instrumente de la bordul lui Hubble, spectrograful, a incetat sa functioneze, iar specialistii incearca sa determine cauza problemei si daca instrumentul este recuperabil.
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