Today @cosmicsavannah discus about how to recreate the formation of galaxies inside a supercomputer with Dr. Rob Yates as he explains how he uses semi-analytic simulations to try and understand how various elements are created and dispersed around galaxies.
NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel Galaxy, revealing new details about star formation and the galaxy’s central black hole. Webb’s powerful infrared gaze produced this detailed image of the Cartwheel and two smaller companion galaxies against a backdrop of many other galaxies. This image provides a new view of how the Cartwheel Galaxy has changed over billions of years.
Astronomers recently found that the growth of a galaxy and the growth of the supermassive black hole, or SMBH, at its center have a lot in common.
Time for weekly news with @WSHCrew about Artemis 1, asymmetry in galaxy distribution, Mars occultation by Moon, gamma ray burst, and discussion with Dr. Karl Stapelfeldt about the science of hourglass/butterfly of L1527 amazing structured.
How do astronomers measure extremely large distances in the far away corners of the Universe? So this would be the top step on the cosmic distance ladder.
With a groundbreaking technique, astronomers have used a galaxy as a gravitational lens to backlight two hydrogen clouds, peering back 11 billion light-years at our early universe
Dr. Jen covers all the different types of galaxies! Find out what makes a galaxy, how they form, how they die and how we know what our galaxy looks like when we can’t leave it to look back on it.
There is evidence of rotation in a galaxy which existed just 500 million years after the Big Bang. This is the earliest galaxy we’ve found with possible rotation! This young galaxy rotates more slowly than modern galaxies, but maybe it’s on its way to gaining more speed.
An international team of astronomers found a dwarf galaxy in the outskirts of the Andromeda Galaxy, M31, located over 2.5 million light-years from us. However, the ultra-faint dwarf galaxy, now called Pegasus V, was first spotted by a very attentive amateur astronomer Giuseppe Donatiello, of UAI, the Unione Astrofili Italiani.
How do giant black holes shut off star formation? How do they turn it back on? Which came first, the black hole or the galaxy? I discuss these questions and more in today’s Ask a Spaceman!