Recently astronomers found a galaxy whose star-formation abruptly stopped due to a messy game of tug-of-war with another galaxy. I discuss the result and how […] Read More
Tag: galaxies
I find pictures of spiral galaxies to be one of the most beautiful cosmic images. These galaxies are those grand disks of stars with 2 […] Read More
In my latest video, I talk about ring galaxies and how astronomers have found that they originate in collisions of just the right size galaxies […] Read More
A recent image released by the Chandra X-ray Observatory showed a galaxy with a ring of black holes and neutron stars. Why does it have […] Read More