NASA shared a new Hubble image of two galaxies locked in a dance, raising more questions about the star formation rate in aging galaxies.
Hubble captured two galaxies locked in a danceThe two galaxies pictured in the image above at NGC 3227 and NGC 3226. The duo is more collectively known as Arp 94 and can be found around 50 to 60 million light-years away from Earth. While you can’t see it particularly well in the image, there are faint tidal streams of gas and dust that have the two galaxies locked in a dance with each other.
You can see Galaxy NGC 3227 on the left. It is a massive spiral galaxy known as a Seyfert galaxy. It, like our own Milky Way galaxy, holds a. To the right is NGC 3226, an elliptical galaxy that NASA believes previously cannibalized a third galaxy in the area. Based on everything we know; NASA says that NGC 3226 should be making new stars. That’s because all of the energy and debris from the previous galaxy is feeding directly into it. But, based on aEven those the two galaxies are locked in a dance, and NGC 3226 is feeding off that old energy constantly, its rate of star formation is very low. Instead, it looks like the material that is falling into NGC 3226 is colliding with other galactic gas.
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