“Neutron star mergers are extremely rare,” explained Columbia University astrophysicist Brian Metzger in an email to The Daily Galaxy about the exotic phenomenon known as a kilonova, “occurring only once every 10 or 100 thousand years in galaxies like our own. There certainly were many kilonovae in the distant past in the Milky Way that may have appeared similar to bright novae on the night sky to our ancestors, but likely none since the advent of modern astronomy.”
“Something like the diffuse glow of gamma ray background that permeates our Milky Way Galaxy could conceivably be evidence for dark matter,” researcher Mark Krumholz, a theoretical and computational astrophysicist at Australian National University, told The Daily Galaxy.
The Galaxy Report newsletter brings you daily news of space and science that has the capacity to provide clues to the mystery of our existence and add a much needed cosmic perspective in our current Anthropocene Epoch.
Mystery of Jupiter’s Metallic Oceans and Enormous Magnetic Field
Earth is ‘Well-Hidden’ from Extraterrestrial Civilizations Hunting for Habitable Planets (The Galaxy Report)
“First Second After” –Gravitational Waves Unveil Secrets of the Big Bang
Drake Equation for Alien Intelligence is More Important Than Ever (Planet Earth Report)Scanning Images for Alien Signals to Can a Universe Be Created from Nothing?
The Milky Way Is Like an Ecosystem: The Center Is Where the Action IsDid the Big Bang Make Cracks in Spacetime to What Would Intelligent Aliens Mean? (The Galaxy Report)
How Earth Avoided a Mars-like Fate to Why is There No Planet B? (Planet Earth Report)