The Hubble Space Telescope is 35 years old!
For those who need a reminder, Hubble is a large space-based observatory, and it was launched by NASA in 1990. It orbits the Earth and captures high-resolution images and data in ultraviolet, visible, near-infrared light. Red and violet bookend the visible light spectrum i.e. the colours we can see. Ultraviolet is simply shades of violet beyond what we can see and the same applies to Infrared light. Hubble uses this range of light to bring out extra...