Browsing Tag
Bubbles
3 posts
Galactic bubbles are more complex than imagined
The bright X-ray bubbles at the Galactic Centre provide an opportunity to understand the effects of feedback on galaxy evolution. The shells of the eROSITA bubbles show enhanced X-ray emission over the sky background. Previously, these shells were assumed to have a single temperature component and to trace the shock-heated lower-temperature halo gas. Recently, scientists
Asset Bubbles & Forward Returns
Commentary Asset bubbles have been prevalent throughout history. Whether it was the “Tulip bubble” in the 1600s, the South Sea bubble of the 1700s or the Dot.com bubble of 2000, they resulted from excessive investor speculation. Of course, the other side of the inflation was the long unwinding of those bubbles as valuations mean reverted…
Bubbles of methane rising from seafloor in Puget Sound
The release of methane, a powerful greenhouse gas responsible for almost a quarter of global warming, is being studied around the world, from Arctic wetlands to livestock feedlots. A University of Washington team has discovered a source much closer to home: 349 plumes of methane gas bubbling up from the seafloor in Puget Sound, which…