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Binary progenitor systems for Type Ic supernovae. [PDF]
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Scientific American, 1981
Recent work has shown the previous conceptions of the mass and radius of the Milky Way Galaxy to be significantly in error. The present paper discusses various aspects of the current efforts to understand the Milky Way Galaxy which have resulted in new values for the galactic radius and mass.
B. J. Bok
semanticscholar +3 more sources
Recent work has shown the previous conceptions of the mass and radius of the Milky Way Galaxy to be significantly in error. The present paper discusses various aspects of the current efforts to understand the Milky Way Galaxy which have resulted in new values for the galactic radius and mass.
B. J. Bok
semanticscholar +3 more sources
Astrophysics, 2000
On the basis of literature data, and assuming that the Milky Way satisfies the Tully-Fisher relationship, the main photometric and kinematic characteristics of the Galaxy are summarized. It is shown that, based on the aggregate of the large-scale properties, the Milky Way is a normal L* galaxy.
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On the basis of literature data, and assuming that the Milky Way satisfies the Tully-Fisher relationship, the main photometric and kinematic characteristics of the Galaxy are summarized. It is shown that, based on the aggregate of the large-scale properties, the Milky Way is a normal L* galaxy.
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1987
The physical conditions in the interstellar medium of the Milky Way are briefly reviewed. It is noted that the local interstellar medium shows relatively uniform abundances and dust/gas ratios; in fact recent measurements of the 12C/13C ratio indicate that the gas is homogeneous to better than 15%.
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The physical conditions in the interstellar medium of the Milky Way are briefly reviewed. It is noted that the local interstellar medium shows relatively uniform abundances and dust/gas ratios; in fact recent measurements of the 12C/13C ratio indicate that the gas is homogeneous to better than 15%.
openaire +2 more sources
1996
On a clear, moonless night, away from city lights, one can see a broad streak of light spanning the heavens. During the northern winter months, it stretches from south to north, eastwards of the well-known constellation Orion. In the summer months, it stretches from the Southern Cross, through the tail of Scorpius, northwards to Cygnus.
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On a clear, moonless night, away from city lights, one can see a broad streak of light spanning the heavens. During the northern winter months, it stretches from south to north, eastwards of the well-known constellation Orion. In the summer months, it stretches from the Southern Cross, through the tail of Scorpius, northwards to Cygnus.
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The Milky Way and the Galaxies
1975There are fields in observational astronomy that are less suited to scientific work by the amateur observer. The following section describes one of them, for only rarely will the amateur astronomer be able to take an active part in the attack on the unsolved problems of galactic research.
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