Dr. Becky | Purple splotches in new Euclid space telescope images: real objects or ghosts? #shorts #astronomy @DrBecky | Uploaded 9 months ago | Updated 1 hour ago
What are the weird purple splotches in the new Euclid space telescope images? Theyre sadly not an undiscovered space object but a ghost in the image caused by re-reflection of light inside the telescope back onto the detector. Its most noticeable when theres a very bright object like a nearby star and it affects blue light more.