Detonating white dwarfs with black holes
Dark matter, in the form of primordial black holes, can potentially trigger Type Ia supernovae in white dwarfs.
How did the Universe cool over time?
How can we measure the temperature of the Universe across cosmic epochs? Recent data from Planck suggests that the Universe’s cooling history is consistent with the Big Bang model.
Spinning stars as stellar clocks
Spinning stars offer a useful way of determining the ages of star clusters
Weighing galaxy clusters with the CMB
Measuring CMB distortions caused by gravitational lensing is a unique way of estimating galaxy cluster masses.
How do satellite galaxies orbit their host?
Satellite galaxies orbiting a host galaxy seem to display highly anisotropic angular distributions.