APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

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APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by APOD Robot » Tue Oct 11, 2022 4:05 am

Image Stars, Dust, Pillars, and Jets in the Pelican Nebula

Explanation: What dark structures arise within the Pelican Nebula? On the whole, the nebula appears like a bird (a pelican) and is seen toward the constellation of a different bird: Cygnus, a Swan. But inside, the Pelican Nebula is a place lit up by new stars and befouled by dark dust. Smoke-sized dust grains start as simple carbon compounds formed in the cool atmospheres of young stars but are dispersed by stellar winds and explosions. Two impressive Herbig-Haro jets are seen emitted by the star HH 555 on the right, and these jets are helping to destroy the light year-long dust pillar that contains it. Other pillars and jets are also visible. The featured image was scientifically-colored to emphasize light emitted by small amounts of heavy elements in a nebula made predominantly of the light elements hydrogen and helium. The Pelican Nebula (IC 5067 and IC 5070) is about 2,000 light-years away and can be found with a small telescope to the northeast of the bright star Deneb.

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Ann
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by Ann » Tue Oct 11, 2022 4:48 am


The tallest pillar in the Pelican Nebula is a bit like the slender neck of a Mamenchisaurus dinosaur, while the Carina pillar has quite a lot more oomph to it.

Both the Pelican Nebula and the Carina Nebula pillars have twin jets emitted from their "heads". The jets are really emitted by very young stars in the process of being born.


These things can be nasty! Wowzers! That's newborn stars for you. Talk about birth pangs! :shock:


So what is the Pelican Nebula, and where in the Pelican Nebula is the Mamenchisaurus dinosaur neck? Well, it turns out that the dinosaur neck is in the neck of the pelican!

Pelican Nebula annotated Hunter Wilson.png
The Pelican Nebula. Photo: Hunter Wilson. White contours: Me.

The dinosaur neck pillar of the Pelican Nebula is in the neck of the Pelican Nebula! :P

Ann
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by heehaw » Tue Oct 11, 2022 9:26 am

I LOVE the random APOD generator!

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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by orin stepanek » Tue Oct 11, 2022 12:33 pm

Pelican_Almeida_960.jpg
The M-W is how Old, and is still making new stars? :shock: Love it!
Potoo-weird-funny-bird-big-eyes-stare.jpg
Birdie! :mrgreen:
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by johnnydeep » Tue Oct 11, 2022 8:40 pm

orin stepanek wrote: Tue Oct 11, 2022 12:33 pm Pelican_Almeida_960.jpg
The M-W is how Old, and is still making new stars? :shock: Love it!
Potoo-weird-funny-bird-big-eyes-stare.jpg
Birdie! :mrgreen:
M-W?
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by orin stepanek » Wed Oct 12, 2022 11:21 am

johnnydeep wrote: Tue Oct 11, 2022 8:40 pm
orin stepanek wrote: Tue Oct 11, 2022 12:33 pm Pelican_Almeida_960.jpg
The M-W is how Old, and is still making new stars? :shock: Love it!
Potoo-weird-funny-bird-big-eyes-stare.jpg
Birdie! :mrgreen:
M-W?
I was lazy! Milky-Way! OK? :mrgreen:
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by johnnydeep » Wed Oct 12, 2022 3:16 pm

orin stepanek wrote: Wed Oct 12, 2022 11:21 am
johnnydeep wrote: Tue Oct 11, 2022 8:40 pm
orin stepanek wrote: Tue Oct 11, 2022 12:33 pm Pelican_Almeida_960.jpg
The M-W is how Old, and is still making new stars? :shock: Love it!
Potoo-weird-funny-bird-big-eyes-stare.jpg
Birdie! :mrgreen:
M-W?
I was lazy! Milky-Way! OK? :mrgreen:
Yeah, I realized what it was while waking up this morning. All I could think of yesterday was Merriam-Webster. That has a hyphen in the full name, unlike the Milky Way. So, I would have understood MW, but M-W threw me off.
--
"To B̬̻̋̚o̞̮̚̚l̘̲̀᷾d̫͓᷅ͩḷ̯᷁ͮȳ͙᷊͠ Go......Beyond The F͇̤i̙̖e̤̟l̡͓d͈̹s̙͚ We Know."

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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by Ann » Wed Oct 12, 2022 4:10 pm

johnnydeep wrote: Wed Oct 12, 2022 3:16 pm
orin stepanek wrote: Wed Oct 12, 2022 11:21 am
johnnydeep wrote: Tue Oct 11, 2022 8:40 pm

M-W?
I was lazy! Milky-Way! OK? :mrgreen:
Yeah, I realized what it was while waking up this morning. All I could think of yesterday was Merriam-Webster. That has a hyphen in the full name, unlike the Milky Way. So, I would have understood MW, but M-W threw me off.
A Merriam-Webster (or something) full of stars (and planets)! A galactic dictionary! ⭐️🌟✨💫☀️🪐

I like it! :D

Ann
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by johnnydeep » Wed Oct 12, 2022 4:29 pm

Ann wrote: Wed Oct 12, 2022 4:10 pm
johnnydeep wrote: Wed Oct 12, 2022 3:16 pm
orin stepanek wrote: Wed Oct 12, 2022 11:21 am
I was lazy! Milky-Way! OK? :mrgreen:
Yeah, I realized what it was while waking up this morning. All I could think of yesterday was Merriam-Webster. That has a hyphen in the full name, unlike the Milky Way. So, I would have understood MW, but M-W threw me off.
A Merriam-Webster (or something) full of stars (and planets)! A galactic dictionary! ⭐️🌟✨💫☀️🪐

I like it! :D

Ann
And the (or a) Merriam-Webster would certainly be a "galaxy of words"!
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by orin stepanek » Wed Oct 12, 2022 7:23 pm

spell check showed me Milky W y with or without te hyphen! I figured I was alright with it! :oops:
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Re: APOD: Stars, Dust, Pillars, and Jets in... (2022 Oct 11)

Post by johnnydeep » Wed Oct 12, 2022 7:53 pm

orin stepanek wrote: Wed Oct 12, 2022 7:23 pm spell check showed me Milky W y with or without te hyphen! I figured I was alright with it! :oops:
That's only because it didn't know whether you meant the galaxy or the dictionary. :-) Also, never trust spell-check!
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