Saturday, October 31, 2015

The Southern Cross in a Southern Sky

The Southern Cross in a Southern Sky: APOD: 2015 October 19 - The Southern Cross in a Southern Sky



Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.


2015 October 19
See Explanation. Clicking on the picture will download the highest resolution version available.


The Southern Cross in a Southern Sky
Image Credit & Copyright: Carlos Fairbairn
Explanation: Have you ever seen the Southern Cross? This famous constellation is best seen from Earth's Southern Hemisphere. Captured from Rio de Janeiro, Brazil, the four bright stars that mark the Southern Cross are visible just above the horizon in the featured image. On the left of this constellation, also known as The Crux, is the orange star Gamma Crucis. The band of stars, dust, and gas rising through the middle of the image mosaic is part our Milky Way Galaxy. Just to the right of the Southern Cross is the dark Coal Sack Nebula, and the bright nebula at the top of the image is the Carina Nebula. The Southern Cross is such a famous constellation that it is depicted on the national flags of Australia and New Zealand.

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