Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Paul M. Sutter (pmsutter.com / @PaulMattSutter) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier ) Dr. Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg & ChartYourWorld.org) Special Guest: Dr. Venemans is a research staff scientist working at the Max Planck Institute for Astronomy (MPIA) in Heidelberg, Germany. His research topics include the discovery […]
The post Weekly Space Hangout – Jan 17, 2018: Dr. Bram Venemans and Distant Quasars appeared first on Universe Today.
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?
The post Supermassive Black Holes or Their Galaxies? Which Came First? appeared first on Universe Today.
Host: Fraser Cain (@fcain) Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Paul, one of our WSH regular panelists, will be talking about Song of the Stars, a project he is leading that brings astronomy to life using modern dance. Guests: Dave Dickinson (www.astroguyz.com / @astroguyz) Kimberly Cartier (@AstroKimCartier ) Their stories this week: The Launch […]
The post Weekly Space Hangout – Mar. 18, 2016: Song of the Stars appeared first on Universe Today.
“How far can you see with that thing?” It’s a common question overhead at many public star parties in reference to telescopes. In the coming weeks as the Moon passes Full and moves out of the evening sky, we’d like to challenge you to hunt down a bright example of one of the most distant […]
The combined observations from two generations of X-Ray space telescopes have now revealed a more complete picture of the nature of high-speed winds expelled from super-massive black holes. Scientist analyzing the observations discovered that the winds linked to these black holes can travel in all directions and not just a narrow beam as previously thought. The black holes […]
Last week, astronomers at Yale University reported seeing something unusual: a seemingly stedfast beacon from the far reaches of the Universe went quiet. This relic light source, a quasar located in the region of our sky known as the celestial equator, unexpectedly became 6-7 times dimmer over the first decade of the 21st century. Thanks to this dramatic change in luminosity, astronomers now […]
Most large galaxies harbor central supermassive black holes with masses equivalent to millions, or even billions, of Suns. Some, like the one in the center of the Milky Way Galaxy, lie quiet. Others, known as quasars, chow down on so much gas they outshine their host galaxies and are even visible across the Universe. Although […]
On the largest scales, networks of gaseous filaments span hundreds of millions of light-years, connecting massive galaxy clusters. But this gas is so rarified, it’s impossible to see directly. For years, astronomers have used quasars — brilliant galactic centers fueled by supermassive black holes rapidly accreting material — to map the otherwise invisible matter. But […]
Most scientists can see, hear, smell, touch or even taste their research. But astronomers can only study light — photons traveling billions of light-years across the cosmos before getting scooped up by an array of radio dishes or a single parabolic mirror orbiting the Earth. Luckily the universe is overflowing with photons across a spectrum […]
Black holes one billion times the Sun’s mass or more lie at the heart of many galaxies, driving their evolution. Although common today, evidence of supermassive black holes existing since the infancy of the Universe, one billion years or so after the Big Bang, has puzzled astronomers for years. How could these giants have grown […]