Pillars of Heaven

Details Pillars of Heaven Pillars of Heaven

Jan 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ap%26ss.307..187p&link_type=abstract

Astrophysics and Space Science, Volume 307, Issue 1-3, pp. 187-190

Astronomy and Astrophysics

Astronomy

2

Eagle Nebula, Radio Astronomy, Hydrodynamic Models, Aperture Synthesis

Scientific paper

Sometimes the most beautiful things are the hardest to understand. Pillars like those of the Eagle Nebula form at the boundary between some of the hottest (10000~K) and coldest (10~K) gas in the Galaxy. Many physical processes come into play in the birth and growth of such gaseous pillars: hydrodynamic instability, photoionization, ablation, recombination, molecular heating and cooling, and probably magnetic fields. High-quality astronomical observations, quantitative numerical simulations, and scaled laser experiments provide a powerful combination for understanding their formation and evolution. We put our most recent hydrodynamic model to the test, by creating simulated observations from it and comparing them directly to the actual radioastronomical observations. Successfully reproducing major characteristics of the observations in this manner is an important step in designing appropriate laser experiments.

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