Where are the Sun’s grandparents?
Our Sun’s ancestors are thought to form out of the primordial composition of the early Universe, almost pure hydrogen and helium. How likely are we to observe such stars?
Galaxy Clusters, Cosmology, and Beethoven’s No. 6
This article explores the utility of galaxy clusters as a probe for precision cosmology, by reviewing some of the seminal literature in the field. Somewhere along the way, a symphony is heard.
Understanding a Monster: the structure of a massive galaxy
M87 is a monstrous galaxy on our doorstep in astronomical terms. But do we understand how such a massive galaxy is put together?
Icy Giants: Kepler Exoplanets on Long-Period Orbits
Could icy planets be evading detection, by hiding in the outer reaches of nearby solar systems? Careful re-examination of Kepler data reveals candidate long-period exoplanets.
Shedding Light on the Epoch of Reionization with Ion2
Ion2 is a compact, intensely star-forming galaxy. With its help we can shed light on one of the most significant transitions the Universe underwent – the very transition from being opaque to see-through.
A Very Long Distance Relationship
Researchers find a brown dwarf at the largest orbit yet discovered. Details on the star and it’s companion in today’s Astrobite.