Exotic Objects Has a meteorite ever been found that is suspected to have come from a solar system other than our own? How would we recognize such a meteorite?
Science Gamma radiation from space has very high energy levels. What is the theoretical limit on the energies of gamma-ray photons? Is there a current technology to detect and measure the highest energy level?
Exotic Objects, Science Your October 2016 article on black holes describes a singularity with infinite density. It has been my understanding that anything with infinite density also has infinite mass and infinite gravitational attraction. Wouldn’t anything with infinite attraction collapse the universe?
