Hubble sees the needle galaxy, edge-on and up close

Jul 16, 2012
Image credit: ESA/NASA

(Phys.org) -- This image snapped by the NASA/ESA Hubble Space Telescope reveals an exquisitely detailed view of part of the disc of the spiral galaxy NGC 4565. This bright galaxy is one of the most famous examples of an edge-on spiral galaxy, oriented perpendicularly to our line of sight so that we see right into its luminous disc. NGC 4565 has been nicknamed the Needle Galaxy because, when seen in full, it appears as a very narrow streak of light on the sky.

The edgewise view into the Needle Galaxy shown here looks very similar to the view we have from our into the core of the Milky Way. In both cases ribbons of dust block some of the light coming from the galactic disc. To the lower right, the dust stands in even starker contrast against the copious yellow light from the star-filled central regions. NGC 4565’s core is off camera to the lower right.

Studying galaxies like NGC 4565 helps astronomers learn more about our home, the Milky Way. At a distance of only about 40 million light-years, NGC 4565 is relatively close by, and being seen edge-on makes it a particularly useful object for comparative study. As spiral galaxies go, NGC 4565 is a whopper — about a third larger than the .

The image was taken with Hubble’s Advanced Camera for Surveys and has a field of view of approximately 3.4 by 3.4 arcminutes.

A version of this image was entered into the Hubble’s Hidden Treasures Image Processing Competition by contestant Josh Barrington.

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User comments : 4

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kevinrtrs
3.4 / 5 (7) Jul 16, 2012
Such a pity it doesn't show the whole of the galaxy - it's really a marvelous photo.
It's quite amazing how many OTHER galaxies appear on the image!!!
JGHunter
1 / 5 (1) Jul 16, 2012
Gob-smacking - but the galaxy doesn't actually appear like this does it? I can't remember what it's called but isn't there a technique they use for "imagining" the real depth of colour and light that would be in the picture?

Not really sure why kevin got so downrated.
Peter Hent
not rated yet Jul 16, 2012
Such a pity it doesn't show the whole of the galaxy - it's really a marvelous photo.
It's quite amazing how many OTHER galaxies appear on the image!!!


Totally agree with you, Kevin. You took the words right out of my mouth!

It looks so much like 'home'. A wonderful image.
baudrunner
1 / 5 (3) Jul 16, 2012
I'm beginning to think that what has been construed as dust clouds in the galaxy are actually gaps through which we see behind the galaxy farther into space. If so, this opens up a whole new window (pun intended) into the theory of galaxy formation.

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