*THE SOUTHWORTH PLANETARIUM*




*207-780-4249 <207-780-4249>       www.usm.maine.edu/planet
<http://www.usm.maine.edu/planet> 70 Falmouth Street  Portland, Maine 04103
43.6667° N,                    70.2667° W Founded January 1970*


* "Heavens on the half shell."*




*THE DAILY ASTRONOMER*

*Thursday, April 28, 2016*
*The Pillars of Creation*

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Happy Birthday, Sister!
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TUNE IN:
"WMPG: Radio Astronomy"
90.9 FM    1:00 p.m. Friday, April 29th.
"Round table of the nights"
A discussion panel about the latest astronomical news.
If you miss an episode, go to the archives:
http://usm.maine.edu/planet/radio-astronomy-radio-program
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Today, ladies and gentlemen, we engage in some simple art appreciation.
The celestial art known as the Star Queen, or Eagle Nebula.  Our particular
emphasis will be on the region within the nebula called the "Pillars of
Creation."

Behold:

*​The Eagle Nebula (Hubble Space Telescope - NASA)*


Located within Serpens, a constellation presently located in the eastern
very late evening sky, the Star Queen Nebula's center is approximately
7,000 light years distant. Consisting of a star cluster with more than 450
members and various star forming regions, the Star Queen Nebula is
undoubtedly one of the most exquisitely beautiful vistas within our part of
the galaxy.       The nebula's most distinctive feature is the Pillars of
Creation, consisting of three towering hydrogen clouds protruding away from
the nebula's interior.  The resemblance of these towers to an eagle's
talons lent the structure its traditional name of "Eagle Nebula."   The
more recent nickname, "The Star Queen," attributed to R. Burham, author of
"Burnham's Celestial Handbook." seems the more appropriate sobriquet for
such an elegantly lovely and splendidly star adorned structure.

The Pillars of Creation, consisting primarily of hydrogen gas,  extend more
than nine light years away from the nebula.  To put this value in context,
nine light years is more than twice the separation distance between the Sun
and Alpha Centauri.     Dark clouds seen around the pillars, each one
greater in extent than our whole solar system, are protostar regions:
places where stars are currently forming.    Images captured by the Chandra
X-Ray Observatory suggest that these clouds are not physically associated
with the pillars, themselves, but are scattered along the same area.

  In fact, the famous Pillars of Creation might no longer exist.   As these
pillars are thousands of light years from us, we're seeing them as they
were thousands of years ago.    The Spitzer Space Telescope detected super
heated gases within the area, suggesting the presence of a supernova: the
explosion of a highly massive star.     Believed to have occurred more than
8,000 years ago, this supernova's shock waves most likely dispersed the
pillars' constituent gases into space.    The pillars still appear to us as
the light related to the dispersion hasn't yet reached us.     However,
future generations of astronomers will likely observed this dissolution:
one that has already happened.

Therefore, today's art work is no longer part of the Universe, but just a
phantom image that we, being so far away, can still behold and admire.