I was recently asked about things that spin in the universe. Planets spin. Stars spin. Galaxies spin. Why do they spin, and how do they acquire that spin? This blog post contains my response. I’m going to go through things slowly, and build up concepts, so bear with me. A spinning top [Credit: randomname123 at... Continue Reading →
Hubble Heritage Archive: Elliptical Galaxy NGC 4889
The text and images in this article were originally published on February 8, 2016, and reflect information about NGC 4889 available at that time. The Sleeping Giant—Elliptical Galaxy NGC 4889 The majestic yet placid appearance of this serene galaxy, NGC 4889, is deceiving to the unsuspecting observer. Captured in this NASA/ESA Hubble Space Telescope image,... Continue Reading →