The Darkest Galaxies
Astronomers have recently discovered a number of galaxies made almost entirely of dark matter. Today’s astrobite takes a closer look at one of them.
The Great Wall (of Galaxies, in Sloan)
The largest structures of the universe lie within.
The Trouble with H0 (or not?)
Theres trouble brewing in the field of cosmology, as astrophysicists attempt to understand the latest measurements of the Hubble constant.
A planet greeting from the danger zone
Stars at later stages of their evolution lack planets at small orbits, which is believed to be a consequence of disruption. However, the authors of the featured article found a large planet around a star at a late stage of its evolution.
There are weird dots in the sky…
Sometimes a mystery can hide in apparently plain things. Astronomers have just discovered that a delta Scuti star known for over 40 years is actually something entirely different and full of peculiarities.
Image via M. Garlick/University of Warwick, ESA/Hubble.
Something from Nothing
What can we learn from the lack of giant planets found at wide separations?