Astronomers Discover Tunnel Linked to Milky Way's Central Black Hole
Researchers have identified a large, cone-shaped void in gas near Sagittarius A*, the Milky Way's central supermassive black hole. This discovery potentially explains the long-observed absence of expected outflows from the black hole, providing the first visual evidence of its 'wind.'
Key points
- Astronomers have discovered a cone-shaped void in gas surrounding Sagittarius A*, the Milky Way's central supermassive black hole.
- This void is theorized to be evidence of an outflow or 'wind' from the black hole, which has long been predicted but never before observed.
- The discovery was made by a research team using new imaging techniques combined with data from NASA's Chandra X-ray Observatory.
- This observation potentially solves a decades-long mystery about why Sagittarius A* appeared not to be expelling material.
- The findings suggest supermassive black holes play a crucial role in shaping their host galaxies through these outflows.
A newly discovered cone-shaped tunnel in the gas surrounding Sagittarius A*, the supermassive black hole at the center of the Milky Way, may finally explain a long-standing astronomical mystery. For decades, scientists have theorized that active black holes expel material, known as winds or jets, as they consume matter. However, such outflows from our galaxy's own black hole have never been directly observed.
New imaging from a Northwestern University-led research team, corroborated by data from NASA's Chandra X-ray Observatory, provides the first clear visual evidence of this phenomenon. Researchers believe the void is the imprint left by the black hole's 'wind,' a crucial but previously unseen aspect of how supermassive black holes interact with and shape their surrounding galaxies.
Sources
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