Absolute zero for the boomerang nebula?

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SUMMARY

The Boomerang Nebula is confirmed to have a temperature of approximately 1 degree Kelvin, making it one of the coldest known astronomical objects. This extreme cold is a result of its rapid expansion, occurring at rates 10 to 100 times faster than other planetary nebulae. The discussion also explores the potential for Bose-Einstein Condensate conditions in space, particularly for elements like helium, which degrades at around 2.17 Kelvin. The implications of these findings suggest that the Boomerang Nebula may serve as a candidate for Bose-Einstein Condensate under specific conditions.

PREREQUISITES
  • Understanding of planetary nebulae and their characteristics
  • Knowledge of thermodynamics, specifically gas expansion and temperature changes
  • Familiarity with Bose-Einstein Condensates and their formation conditions
  • Basic principles of astrophysics related to temperature measurements in space
NEXT STEPS
  • Research the properties and formation of planetary nebulae
  • Study the principles of gas expansion and its effects on temperature
  • Explore Bose-Einstein Condensate experiments, particularly those involving helium
  • Investigate the implications of extreme temperatures in astrophysical contexts
USEFUL FOR

Astronomers, astrophysicists, and students interested in planetary nebulae, thermodynamics, and quantum physics will benefit from this discussion.

wolram
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hi, can anyone confirm the 1degree above absolute zero for the
boomerang nebula?
 
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Originally posted by wolram
hi, can anyone confirm the 1degree above absolute zero for the
boomerang nebula?
It would be similar to the Freon (sp?) in your AC system, or any expanding gasses which, as you know, drop in temperature when moving from a compressed state to a less compressed state. Just like the AC in your house or car, or even the fire extinguisher.

This is not a "confirmation", but the Boomerang nebula, a planetary nebula, is found to be expanding at a rapid rate that is 10 to 100 times faster than other known planetary nebula. This rapid expansion equals a fast drop in temperature, enough to be at just ~1 degree K.
 
thanks LABGUY, straying from the origonal question, if you can have
a 1k nebula is it going to far to say that there may be bose einstein
condition in space?
 
Originally posted by wolram
thanks LABGUY, straying from the origonal question, if you can have
a 1k nebula is it going to far to say that there may be bose einstein
condition in space?
It could be. Helium will "degrade" at about 2.17*K, and Sodium took it down to 1 millionth *K in the MIT laser experiment. I guess it totally depends on the element, and temperature of course, but that 1*K nebula should certainly apply as a candidate for a Bose-Einstein Condensate for certain elements... (?)
 
thanks once more labguy, the posibilities get more interesting...
 

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