APOD: The Galactic Center in Infrared (2021 Apr 19)

Comments and questions about the APOD on the main view screen.
User avatar
APOD Robot
Otto Posterman
Posts: 4404
Joined: Fri Dec 04, 2009 3:27 am

APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by APOD Robot » Mon Apr 19, 2021 4:05 am

Image The Galactic Center in Infrared

Explanation: What does the center of our galaxy look like? In visible light, the Milky Way's center is hidden by clouds of obscuring dust and gas. But in this stunning vista, the Spitzer Space Telescope's infrared cameras, penetrate much of the dust revealing the stars of the crowded galactic center region. A mosaic of many smaller snapshots, the detailed, false-color image shows older, cool stars in bluish hues. Red and brown glowing dust clouds are associated with young, hot stars in stellar nurseries. The very center of the Milky Way has recently been [url=https://www.spitzer.caltech.edu/news/ss ... tic-center" >found capable</a> of forming <a href="http://www.universetoday.com/2009/06/10 ... ways-core/]newborn stars[/url]. The galactic center lies some 26,700 light-years away, toward the constellation Sagittarius. At that distance, this picture spans about 900 light-years.

<< Previous APOD This Day in APOD Next APOD >>

RocketRon

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by RocketRon » Mon Apr 19, 2021 5:39 am

Starry starry night - in infrared.
And with your magnifying glasses on also ...

And the approx location of the black hole ?

User avatar
Ann
4725 Å
Posts: 11519
Joined: Sat May 29, 2010 5:33 am

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by Ann » Mon Apr 19, 2021 6:05 am


Great processing as always, Geck.

The Spitzer image is extremely interesting, and it shows us details that would be completely hidden to a visual-light image. Another good thing about the Spitzer image is that it is nicely widefield. I can't help it though, my favorite portrait of the Galactic center is the image I posted at right.


Here is an annotated version of the Hubble/Spitzer portrait of the Galactic center.

Ann
Color Commentator

Knight of Clear Skies
Ensign
Posts: 60
Joined: Mon Jul 25, 2016 9:02 am

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by Knight of Clear Skies » Mon Apr 19, 2021 7:33 am

This is my favourite image of the galactic core, from MeerKAT.
Caradon Observatory, Cornwall, UK.

Iksarfighter
Ensign
Posts: 39
Joined: Sat Dec 24, 2016 7:13 pm

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by Iksarfighter » Mon Apr 19, 2021 10:10 am

Hello,
Is the dense light in the center the whole bulb ?
TY

User avatar
Ann
4725 Å
Posts: 11519
Joined: Sat May 29, 2010 5:33 am

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by Ann » Mon Apr 19, 2021 1:29 pm

Iksarfighter wrote:
Mon Apr 19, 2021 10:10 am
Hello,
Is the dense light in the center the whole bulb ?
TY
The dense light in the center is stars and dust in the vicinity of the central black hole. Our Galaxy's supermassive black hole is in there.

Ann
Color Commentator

User avatar
orin stepanek
Plutopian
Posts: 6795
Joined: Wed Jul 27, 2005 3:41 pm
Location: Nebraska

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by orin stepanek » Mon Apr 19, 2021 1:33 pm

At that distance, this picture spans about 900 light-years.
big-stretch-picture-id175194979.jpg
GalacticCore_SpitzerSchmidt_960.jpg
I was awed by how many stars appered and was passed as the
camera panned toward the galactic center! Shows that you look
in one direction the stars you see are only the closer and or the
larger ones! The universe is a wonderful thing! :D
You do not have the required permissions to view the files attached to this post.
Orin

Smile today; tomorrow's another day!

User avatar
johnnydeep
Commander
Posts: 811
Joined: Sun Feb 20, 2011 8:57 pm

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by johnnydeep » Mon Apr 19, 2021 3:54 pm

What's amazing to me about images like this is how small the moon still appears in comparison. 890 x 640 ly at 26000 ly works out to be 1.96 x 1.41 degrees, which is about 4 full moons x 3 full moons!
--
"To B̬̻̋̚o̞̮̚̚l̘̲̀᷾d̫͓᷅ͩḷ̯᷁ͮȳ͙᷊͠ Go......Beyond The F͇̤i̙̖e̤̟l̡͓d͈̹s̙͚ We Know."

User avatar
Ann
4725 Å
Posts: 11519
Joined: Sat May 29, 2010 5:33 am

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by Ann » Mon Apr 19, 2021 4:33 pm

orin stepanek wrote:
Mon Apr 19, 2021 1:33 pm
At that distance, this picture spans about 900 light-years.
Adorable kitty! I didn't even click on that link! :kitty:

Ann
Color Commentator

WWW
Ensign
Posts: 13
Joined: Tue Apr 13, 2021 7:15 am

Re: APOD: The Galactic Center in Infrared (2021 Apr 19)

Post by WWW » Tue Apr 20, 2021 3:19 am

Ann wrote:
Mon Apr 19, 2021 4:33 pm
orin stepanek wrote:
Mon Apr 19, 2021 1:33 pm
At that distance, this picture spans about 900 light-years.
Adorable kitty! I didn't even click on that link! :kitty:

Ann

Ok, So it spans 900 in light years, so what's that in cat years?



.