# @europeanspaceagency on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DMEE13hsP_Z
- **Gondola URL:** https://gondola.cc/posts/35582079-europeanspaceagency-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/95d839d2a3.jpg
- **Posted:** 2025-07-13T21:50:00.000+00:00

## Caption

Hubble time! 🌌

At first glance, UGC 11397 appears to be an average spiral galaxy: it sports two graceful spiral arms that are illuminated by stars and defined by dark, clumpy clouds of dust.

What sets UGC 11397 apart from a typical spiral lies at its centre, where a supermassive black hole containing 174 million times the mass of the Sun is growing. As a black hole ensnares gas, dust, and even entire stars from its vicinity, this doomed matter heats up and puts on a fantastic cosmic light show. Material trapped by the black hole emits light from gamma rays to radio waves and can brighten and fade without warning. But in some galaxies, including UGC 11397, thick clouds of dust hide much of this energetic activity from view in optical light.  Despite this, UGC 11397’s actively growing black hole was revealed through its bright X-ray emission — high-energy light that can pierce the surrounding dust. This led astronomers to classify it as a Type 2 Seyfert galaxy, a category used for active galaxies whose central regions are hidden from view in visible light by a doughnut-shaped cloud of dust and gas.

Using Hubble, researchers will study hundreds of galaxies that, like UGC 11397, harbour a supermassive black hole that is gaining mass. The Hubble observations will help researchers weigh nearby supermassive black holes, understand how black holes grew early in the Universe’s history, and even study how stars form in the extreme environment found at the very centre of a galaxy.

📸 europeanspaceagency / hubbleesa & NASA, M. J. Koss, A. J. Barth; creativecommons BY 4.0

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## Credits

| Name | Username | Profile | Role |
| --- | --- | --- | --- |
| ESA - European Space Agency | @europeanspaceagency | https://gondola.cc/europeanspaceagency | Government Organization |
| J.L.Lopez | @xandler80 | https://gondola.cc/xandler80 | Producer |
| J.L.Lopez | @xandler80 | https://gondola.cc/xandler80 | Editor |
| Hubble Space Telescope | @hubbleesa | https://gondola.cc/hubbleesa | Photographer |
| J.L.Lopez | @xandler80 | https://gondola.cc/xandler80 | Social Media Manager |
| J.L.Lopez | @xandler80 | https://gondola.cc/xandler80 | Publisher |
| J.L.Lopez | @xandler80 | https://gondola.cc/xandler80 | Copywriter |
| J.L.Lopez | @xandler80 | https://gondola.cc/xandler80 | Community Manager |

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