Astronomy Picture of the Day



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zorg.ch
#52216 by @ 09.10.2004 00:15 - nach oben -
Kepler's SNR from Chandra, Hubble, and Spitzer


Explanation:

Light from the stellar explosion that
created this energized cosmic cloud was first seen on planet
Earth in October 1604, a mere
four hundred years
ago
.

The supernova produced a bright
new star
in early 17th century skies within the constellation
Ophiuchus.

It was studied by astronomer
Johannes Kepler
and his contemporaries, with out the benefit of a telescope, as they
searched for an explanation of the heavenly apparition.

Armed with a
modern
understanding
of stellar evolution,
early 21st century
astronomers continue to explore the
expanding debris cloud, but can now use
orbiting space telescopes to
survey Kepler's supernova remnant (SNR)
across the spectrum.

In this tantalizing composite image,
x-rays,
visible light, and
infrared
radiation recorded by NASA's astrophysical
observatories - the
Chandra X-Ray Observatory,
Hubble and
Spitzer
space telescopes - are combined to give a more comprehensive
view of the still enigmatic supernova remnant.

About 13,000 light years away,
Kepler's supernova
represents the most recent stellar explosion seen to
occur within
our Milky Way galaxy.




Credit & Copyright
zorg.ch
#52229 by @ 09.10.2004 10:02 - nach oben -
Jes da gseht jo huärä geil us.