Telescope “Hubble” looked into the most “heart” of the Milky Way – the Russian newspaper

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Photo: NASA, ESA, and Hubble Heritage Team (STScI / AURA, Acknowledgment: T. Do, A.Ghez (UCLA) , V. Bajaj (STScI)

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Looking at the center of our Milky way galaxy, space telescope “Hubble” captured in a picture over half a million stars.

 

With the exception of a few blue light in the foreground, the star presented here are part of the nuclear star cluster, the most ambitious and dense in the Milky Way, the website NASA.

 

This cluster surrounds the supermassive black hole called Sagittarius A *, the mass of which is about 4 million times the mass of the sun.

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The researchers used “infrared vision,” “Hubble” to penetrate the thickness of the galactic disk of dust, obscuring the star cluster. The picture shows the red stars are shrouded by interstellar dust. Very dense clouds of gas and dust stand out against the bright background stars. They are so dense that even equipment “Hubble”, able to take pictures in the infrared range, could not “break through” the thickness.

 

The sharp “eye” of the telescope, however, helped the astronomers to measure the motion of the stars for a four-year period of observation. Due to the information received, scientists were able to determine such important characteristics of a star cluster, and the mass of the structure. In addition, the movement of the stars can help to learn more about how the star cluster formed.

 

This photo is covering an area the size of 50 light-years away, is a mosaic assembled from nine separate images taken Wide Field Camera 3 (Wide Field Camera 3).

 

The center of the Milky Way is 27 thousand light-years from Earth. The stars in the image is only the “tip of the iceberg.” According to the calculations of astronomers, in fact, about 10 million stars in this cluster are too faint, so that they can be detected in the image.

 

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