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new view of the center of the Milky Way.

A group of researchers has just released a new version of a standard image that represents the core of our galaxy. The new view puts emphasis on determining the number and type of stars that exist near the center of the Milky Way. Even

to take a quick look, it is clear that the central regions of the galaxy's 100,000-light-years are saturated with stars, giving it a bluish color light as the light is closer to the nucleus.

Astronomers believe that a supermassive black hole lies at the heart of cosmic structure. Many of the stars in this new view, especially those in the center, revolving around this giant dark.



new image from the center of the Milky Way taken by the Hubble Spitzer.Crédito: NASA / JPL-Caltech.


The original image of the core of the Milky Way was taken using the NASA Spitzer Space Telescope, which looks at the sky at infrared wavelengths. The reason we used this observation is that the visible light detectors can not penetrate through massive clouds of dust surrounding the region.

infrared light detectors can "see" the heat signature of stars and other celestial bodies regardless of the amount of hydrogen gas and dust that is interposed. This particular point of view spans 120 degrees.

scientists NASA Jet Propulsion Laboratory (JPL) in Pasadena, Calif., have made available the same view, but in a different contrast and centered around the central areas of the galaxy.

"The green areas are molecules of carbon-rich dust, called polycyclic aromatic hydrocarbons, which are illuminated by light from surrounding stars as they move around the nucleus of the galaxy," says a press release JPL.

"yellow-red areas from the heat glow from warm dust. Polycyclic aromatic hydrocarbons and dust are associated with young stars animated sets. These materials, mixed with gas, are needed to make new stars," is added the statement.

Although it has about 10 billion years, the Milky Way is still producing young blue stars, but at rates much lower than in the past. Galactic collisions can only increase the rate of star production in cosmic structures like ours.

but not expected to clash with another galaxy within 5 billion years from now, when you begin to collide with the Andromeda Galaxy, which currently is moving towards us. This will happen while the sun reach the end of the combustion cycle.

"The region presented in the photo is huge, with a horizontal range of 2,400 light years (5.3 degrees) and a vertical range of 1,360 light years (3 degrees), "say experts at JPL.

" Although most of the objects you see in this picture are near the galactic center, the above characteristics and below the galactic plane tended to be closer to the ground, "concludes themselves.

In this view also used the legacy project data Galactic Infrared Survey Mid Plane Extraordinaire (Glimpse) and Multiband Imaging Study Photometer Spitzer Galactic (MIPSGAL).




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