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High-resolution image of the core of the Milky Way reveals surprisingly low star formation 5nvklj





High-resolution image of the core of the Milky Way reveals surprisingly low star formation 9tpt39

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High-resolution image of the core of the Milky Way reveals surprisingly low star formation

Dragon
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Post by Dragon Wed Feb 28, 2018 7:43 pm

Compared to some other galaxies in our Universe, the Milky Way is a rather subtle character. In fact, there are galaxies that are a thousands times as luminous as the Milky Way, owing to the presence of warm gas in the galaxy's Central Molecular Zone (CMZ). This gas is heated by massive bursts of star formation that surround the Supermassive Black Hole (SMBH) at the nucleus of the galaxy.

The core of the Milky Way also has a SMBH (Sagittarius A*) and all the gas it needs to form new stars. But for some reason, star formation in our galaxy's CMZ is less than the average. To address this ongoing mystery, an international team of astronomers conducted a large and comprehensive study of the CMZ to search for answers as to why this might be.

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Dragon
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Post by Dragon Wed Feb 28, 2018 7:45 pm

High-resolution image of the core of the Milky Way reveals surprisingly low star formation 2-highresoluti
Credit: NASA/JPL-Caltech

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Dragon
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High-resolution image of the core of the Milky Way reveals surprisingly low star formation Empty Re: High-resolution image of the core of the Milky Way reveals surprisingly low star formation

Post by Dragon Wed Feb 28, 2018 7:46 pm

High-resolution image of the core of the Milky Way reveals surprisingly low star formation 3-highresoluti
Credit: Spitzer/NASA/CfA

A false color Spitzer infrared image of the Milky Way’s Central Molecular Zone (CMZ).

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Dragon
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High-resolution image of the core of the Milky Way reveals surprisingly low star formation Empty Re: High-resolution image of the core of the Milky Way reveals surprisingly low star formation

Post by Dragon Wed Feb 28, 2018 7:49 pm



Galactic Center of the Milky Way Galaxy in the Infrared.

 
Dragon
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High-resolution image of the core of the Milky Way reveals surprisingly low star formation Empty Re: High-resolution image of the core of the Milky Way reveals surprisingly low star formation

Post by Dragon Wed Feb 28, 2018 7:53 pm



This video sequence zooms into the Hubble Space Telescope view of the galactic core. Hubble's infrared vision pierced the dusty heart of our Milky Way galaxy to reveal more than half a million stars at its core.

Except for a few blue, foreground stars, the stars are part of the Milky Way's nuclear star cluster, the most massive and densest stellar cluster in our galaxy. Located 27,000 light-years away, this region is so packed with stars, it is equivalent to having a million suns crammed into the volume of space between us and our closest stellar neighbor, Alpha Centauri, 4.3 light-years away.

At the very hub of our galaxy, this star cluster surrounds the Milky Way's central supermassive black hole, which is about 4 million times the mass of our sun.

 


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