Nature, Količina 427Sir Norman Lockyer Macmillan Journals Limited, 2004 |
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Zadetki 1–3 od 68
Stran 109
... star had lost much of its hydrogen before the explosion . The discovery of a companion to this star suggests where that gas went ... Figure 1 The beautiful spiral structure of the galaxy M81 , one of the brightest galaxies in the sky ...
... star had lost much of its hydrogen before the explosion . The discovery of a companion to this star suggests where that gas went ... Figure 1 The beautiful spiral structure of the galaxy M81 , one of the brightest galaxies in the sky ...
Stran 129
... star that underwent a collapse of its core to produce supernova ( SN ) 1993 ] was subsequently identified as a non - vari- able red supergiant star in images of the galaxy M81 taken before explosion . It showed an excess in ultraviolet ...
... star that underwent a collapse of its core to produce supernova ( SN ) 1993 ] was subsequently identified as a non - vari- able red supergiant star in images of the galaxy M81 taken before explosion . It showed an excess in ultraviolet ...
Stran 299
... stars . But its measurement of the distance to the well - known star cluster the Pleiades ( or Seven Sisters ; Fig . 1 ) has caused a major controversy . The cluster is more than 100 parsecs from Earth , equivalent to a distance of 300 ...
... stars . But its measurement of the distance to the well - known star cluster the Pleiades ( or Seven Sisters ; Fig . 1 ) has caused a major controversy . The cluster is more than 100 parsecs from Earth , equivalent to a distance of 300 ...
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