by APOD Robot » Mon May 16, 2016 4:06 am
Clouds of the Carina Nebula
Explanation: What forms lurk in the mists of the Carina Nebula? The dark ominous figures are actually
molecular clouds, knots of molecular gas and
dust so thick they have become
opaque. In comparison, however,
these clouds are typically much less dense than
Earth's atmosphere. Featured here is a detailed image of the core of the
Carina Nebula, a part where both dark and colorful
clouds of gas and dust are particularly prominent. The image was captured last month from
Siding Spring Observatory in
Australia. Although the nebula is predominantly composed of
hydrogen gas -- here colored green, the image was assigned colors so that light emitted by trace amounts of
sulfur and
oxygen appear red and blue, respectively. The entire
Carina Nebula, cataloged as NGC 3372, spans over 300
light years and lies about 7,500 light-years away in the
constellation of Carina.
Eta Carinae, the most energetic star in the nebula, was one of the brightest stars in the sky in the 1830s, but then
faded dramatically.
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[url=http://apod.nasa.gov/apod/ap160516.html][img]http://apod.nasa.gov/apod/calendar/S_160516.jpg[/img] [size=150]Clouds of the Carina Nebula[/size][/url]
[b] Explanation: [/b] What forms lurk in the mists of the Carina Nebula? The dark ominous figures are actually [url=http://en.wikipedia.org/wiki/Molecular_clouds]molecular clouds[/url], knots of molecular gas and [url=http://apod.nasa.gov/apod/ap030706.html]dust[/url] so thick they have become [url=http://apod.nasa.gov/apod/ap080323.html]opaque[/url]. In comparison, however, [url=http://www.youtube.com/watch?v=YDNiYGuzZPM]these clouds[/url] are typically much less dense than [url=http://www.nasa.gov/mission_pages/sunearth/science/atmosphere-layers2.html]Earth's atmosphere[/url]. Featured here is a detailed image of the core of the [url=http://apod.nasa.gov/apod/ap090524.html]Carina Nebula[/url], a part where both dark and colorful [url=http://apod.nasa.gov/apod/ap050110.html]clouds[/url] of gas and dust are particularly prominent. The image was captured last month from [url=http://rsaa.anu.edu.au/observatories/siding-spring-observatory]Siding Spring Observatory[/url] in [url=https://en.wikipedia.org/wiki/Australia]Australia[/url]. Although the nebula is predominantly composed of [url=http://periodic.lanl.gov/1.shtml]hydrogen[/url] gas -- here colored green, the image was assigned colors so that light emitted by trace amounts of [url=http://periodic.lanl.gov/16.shtml]sulfur[/url] and [url=https://www.youtube.com/watch?v=2eGES-MrIFo]oxygen[/url] appear red and blue, respectively. The entire [url=http://en.wikipedia.org/wiki/Carina_Nebula]Carina Nebula[/url], cataloged as NGC 3372, spans over 300 [url=http://chandra.harvard.edu/photo/cosmic_distance.html]light years[/url] and lies about 7,500 light-years away in the [url=http://www.ianridpath.com/startales/startales3.htm]constellation[/url] of Carina. [url=http://en.wikipedia.org/wiki/Eta_Carinae]Eta Carinae[/url], the most energetic star in the nebula, was one of the brightest stars in the sky in the 1830s, but then [url=http://www.aavso.org/vsots_etacar]faded dramatically[/url].
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