![CASTOR space telescope](https://petapixel.com/assets/uploads/2023/12/castor-in-space-artist-impression-300x157.jpg)
Canadian Space Telescope CASTOR Aims to Take the Reins from Hubble
Although the Hubble Space Telescope has had a heck of a run, it cannot last forever. Astronomers have been planning for Hubble's retirement for many years, and a Canadian telescope called CASTOR may be the best candidate to fill the inevitable void in ultraviolet space exploration.