Is it the tiniest black hole ever or the largest neutron star ever? We may never know, but one of them has been discovered thanks to gravitational wave observations. And an interesting black hole merger…
Category: Cosmology
The 200th episode of Walkabout the Galaxy goes from odd Earthly atmospheric “elves” to mysterious new fundamental particles called axions, with a stop by Jupiter’s fuzzy core on the way. To capture the essential Astroquarkiness…
Astronomers may have found the smoking gun for fast radio bursts in the form of a magnetar in our own galaxy. These highly magnetic neutron stars now look like the best bet as the sources…
Everyone’s favorite scary astronomical object, the black hole, just got a bit closer to home with the discovery of a modest, stellar-sized black hole a mere 1000 light years from the solar system. Top quark…
As the Sun starts getting more active at the beginning of a new solar cycle, new observations of sunlike stars show that the Sun itself may be unusually calm. Good news for life on Earth,…