Monday, November 21, 2011

The Red Retangular Nebula gives us some strange astronomy?

--------- #1333 - The Red Rectangle Nebula Explained?

- Attachment: Image of Red Rectangle Nebula

- In the Constellation Monoceros the Unicorn is a binary star. Surrounding the binary star is a ruddy rectangular nebula (HD44179). It is 2,300 lightyears away. It is extremely odd in astronomy to see astronomical bodies that are not circles, this is a straight lined rectangle. How is this possible?

- The Red Rectangle Nebula can also be described as a giant “X” with interconnecting ladder-like steps. The color is unusual too. Astronomers expect the red glow of energetic hydrogen. But, this rectangle’s color is orange- red created by fluorescing dust. The source has only recently been discovered to be organic carbon-rich molecules bathed in ultraviolet light..
 
- Normally you would find these type carbon-rich molecules (PAH’s) from burning fossil fuels. Here we have a nebula containing anthracene and pyrene molecules that are fluorescing in UV light.

- The giant “X” shape is probably explained as cone jets connected at their vertices. They look like a 2-dimensional “X” when viewed perpendicular to their broadsides. The ladder-like steps could be spherical gas ejections that hit the dust at 100 year intervals, again with the rings viewed edgewise.

- The two binary stars at the center orbit each other every 319 days. One is a hot star the companion a cool red star about the size of our Sun. The hot star pulls material off the companion at 300 miles per second. ( 1,080,000 miles per hour). Because the stars have eccentric orbit’s the most material gets pulled off when the 2 stars pass closest together. When the material is dispersed it glows like a planetary nebula due to the ultraviolet radiation from the hot star.

- Astronomers first found this Red Rectangle in 1915. The first images were not clear. Mostly just the binary system was identified. As better instruments revealed more of the electromagnetic spectrum to greater resolution than better theories evolved as to what was causing it all. The above are current theories. Leave it to the Universe to not be ordinary.
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