Hitomi observes the Crab pulsar

Giant Radio Pulsars (GRPs) consist of sporadic and short-lived radiation, during which time the radio flux density becomes 2-3 orders of magnitudes brighter than the regular, average flux density. Now, astrophysicists used observations from the Hitomi satellite to uncover the origin of these fast radio bursts.

Are the most luminous supermassive black holes hidden in heavily obscured environments?

Active Galactic Nuclei (AGN) are galaxies with a rapidly growing supermassive black hole (SMBH) at their centre. A recent study, using both ground and space observations, suggests that many of the brightest SMBHs may be escaping our detection due to their heavily obscured environments. This draws a completely different picture compared to our current understanding of luminous AGN.