The Signature of a Pre-Merger System
Could pairs of black holes and neutron stars alert us to their existence before they merge?
Could pairs of black holes and neutron stars alert us to their existence before they merge?
How has the availability of star-forming material in galaxies changed with time?
Though dark matter subhalos are invisible and hard to detect, astronomers have used stellar streams to make an attempt. Astrobites reports.
Recent evidence points to highly magnetized neutron stars as the culprits that produce fast radio bursts — but do galaxy demographics support this picture?
Among Jupiter’s Galilean moons, icy Europa or volcanic Io often take the spotlight — but their sibling moon Ganymede has plenty of secrets to share.
A recent census of brightly accreting supermassive black holes reveals more about the role they played in the evolution of our universe.
Astrobites reports on a clever technique to combine TESS full-frame images in the search for Planet Nine.
How do systems of multiple stars form in the dense cores inside molecular clouds? New ALMA images provide a glimpse.
What does the future hold for the multiplanetary system of HR 8799 — can it remain stable?
In 1998, a mass of plasma erupted from the Sun. Data from two perfectly aligned spacecraft now tell its story.
We know that we don’t know everything about the first galaxies. Astrobites reports on a further deepening of the mystery with new radio observations.
This week we’re at the virtual winter AAS meeting. Here are the highlights from Day 5!