Please consider donating to Behind the Black, by giving either a one-time contribution or a regular subscription, as outlined in the tip jar to the right. Your support will allow me to continue covering science and culture as I have for the past twenty years, independent and free from any outside influence.
The x-ray instrument on the orbiting Swift gamma-ray telescope has shut down.
The problem has not affected Swift’s optical and ultraviolet instruments. Engineers are working on the problem, though it is unclear now whether they fix it.