The upper crust of a neutron star is thought to be composed of crystallized iron, may have centimeter high mountains…
The spectacular gravity of neutron stars offers great opportunities for thought experiments. For example, if you dropped an object from…
A Chandra X-ray Observatory image of the supernova remnant Cassiopeia A. Credit: NASA/CXC Supernova remnant Cassiopeia A (Cas A) has…
Stars come in many different sizes, colors, and types, and understanding where they fit in the grand scheme is important…