![Milky Way Galaxy / Galaxies / Sagittarius constellation / Observational astronomy / X-ray astronomy / Light echo / V838 Monocerotis / Black hole / Galactic Center / Astronomy / Space / Supermassive black holes Milky Way Galaxy / Galaxies / Sagittarius constellation / Observational astronomy / X-ray astronomy / Light echo / V838 Monocerotis / Black hole / Galactic Center / Astronomy / Space / Supermassive black holes](https://www.pdfsearch.io/img/c4030185a72585da1f7a70902dff4f6c.jpg)
| Document Date: 2015-01-15 04:52:22 Open Document File Size: 152,04 KBShare Result on Facebook
Organization National Aeronautics and Space Administration / / Person Brian Koberlein / / PublishedMedium Astronomy and Astrophysics / / Technology x-ray / / URL http /
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