A recent gamma-ray burst known as the BOAT — “brightest of all time” — appears to have produced a high-energy particle that shouldn’t exist. For some, dark matter provides the explanation. Read more at QuantaMagazine.org. Music is “Pulse” by Geographer.
Oct 20
'Ghostly' Galaxies and the Mystery of Dark Matter
In 2018, using the Keck Observatory in Hawaiʻi, astronomers discovered the first known dark matter-deficient galaxy, DF2. It’s about the same size as the Milky Way, but way dimmer, with 200 times fewer stars. Since then, two more phantom galaxies (DF4 and DF9) have been spotted. ... Show More
25m 49s
Oct 2022
The most powerful explosion ever recorded
It’s been an unusual week for astronomers, with telescopes swivelled off course to observe GRB221009A, the brightest gamma ray burst ever recorded. Gamma ray bursts aren’t unusual, the by-product of some supernovae are recorded weekly. Whilst the afterglow of these bursts usually ... Show More
53m 38s
