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Astronomy Picture of the Day
M16: Pillars of Creation
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zorg.ch
#113711
by
[z]Barbara Harris
@
23.07.2012 00:00
- nach oben -
M16: Pillars of Creation
Explanation: It was one of the most
famous image
s of the 1990s.
This image
, taken with the
Hubble Space Telescope
in 1995, shows
evaporating gaseous globules
(EGGs) emerging from pillars of molecular
hydrogen gas
and
dust
. The
giant pillars
are
light years
in length and are so dense that interior gas
contracts gravitationally
to form stars. At each
pillars' end
, the intense radiation of bright young stars causes low density material to boil away, leaving
stellar nurseries
of dense
EGGs
exposed. The
Eagle Nebula
, associated with the
open star cluster
M16
, lies about 7000
light years
away. The
pillars of creation
were
imaged
again in 2007 by the orbiting
Spitzer Space Telescope
in infrared light, leading to the conjecture that the pillars
may already have been destroyed
by a local supernova, but light from that event has yet to reach the Earth. Be Honest:
Have you seen this image before?
Credit & Copyright