And they also point out another fascinating recent article by our friends at @NASA and @chandraxray: The outcome of the merger of the two #NeutronStars which generated #GW170817 was likely a very small #BlackHole! https://t.co/LyvW3cfkal
A bizarre, ghostly looking galaxy that astronomers believe to have little to no dark matter was seen by @NASAHubble. This is the 1st galaxy to be discovered that is so lacking in dark matter, which is thought to comprise 85% of our universe's mass: https://t.co/KyPQtUdw5y