Monday, August 9, 2010

The Spectacle of the Collision of the Antennae Galaxies

Here's an amazing cosmic sight that should help make us contemplate on our real place and reason for being. So spectacular the process of destruction, re-creation, and evolution in space, of which our lonely planet earth is but one tiny speck. 

And humans? Even more minute particles that sometimes act humanely but otherwise gender-, racial-, and class-oppressively.

A Galactic Spectacle
08.05.10
(NASA article) 
  
Two colliding galaxies in the Antennae galaxies

A beautiful new image of two colliding galaxies has been released by NASA's Great Observatories. The Antennae galaxies, located about 62 million light years from Earth, are shown in this composite image from the Chandra X-ray Observatory (blue), the Hubble Space Telescope (gold), and the Spitzer Space Telescope (red).

The collision, which began more than 100 million years ago and is still occurring, has triggered the formation of millions of stars in clouds of dusts and gas in the galaxies. The most massive of these young stars have already sped through their evolution in a few million years and exploded as supernovas.

The X-ray image from Chandra shows huge clouds of hot, interstellar gas that have been injected with rich deposits of elements from supernova explosions. This enriched gas, which includes elements such as oxygen, iron, magnesium and silicon, will be incorporated into new generations of stars and planets. The bright, point-like sources in the image are produced by material falling onto black holes and neutron stars that are remnants of the massive stars. Some of these black holes may have masses that are almost one hundred times that of the Sun.

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Source: NASA. "A Galactic Spectacle. "5 August 2010.   http://www.nasa.gov/mission_pages/chandra/multimedia/antennae.html

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