The spectacular disk around HD142527 is a carnival of spirals and gaps: is it all caused by a single massive companion?
A mysterious pair of stars speeding through the outskirts of our galaxy together puzzles astronomers
… and therefore more powerful. Describing dark matter as a fluid allows us to model dark matter candidates with great accuracy.
Today’s bite looks at how the ratio of various elements can inform our view of what happens during a supernova.
We still lack a good understanding of the source of ionizing photons in the early Universe. Can envelope-stripping from a binary companion help stars to re-ionize the early universe?