Betelgeuse is getting ready to clash

Next to the red supergiant found strange linear formation, which stars crash in a few millennia. Several arcs found around Betelgeuse - the closest to Earth red supergiant - a new image from the space observatory "Herschel." Star and her arched panels can run into the mysterious dust "wall" over five thousand years.Betelgeuse is "sitting" on the "shoulder" of the constellation Orion. This orange-red star can be seen with the naked eye in the winter night sky in the Northern Hemisphere and to the left above the three stars in Orion's belt, which may Read more [...]
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Radiographs of the heart and great vessels

Overview images of the heart do in four projections: front, left and right oblique angle of 45 °, the left side. The photographs were taken from a distance of 1.5-2 m Front image of the heart and major blood vessels do in a strictly symmetrical position of the right and left halves of the thorax (Fig. 377). Evaluated and the constitution of man, the height of the dome diaphragm. High or low standing diaphragm long axis of the heart changes position. On radiographs third of its shadow is to the right of the median line, or 2 - 3 cm from the edge of the shadow of the spine, and two thirds - Read more [...]
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