Mint Explainer: How James Webb shoots through cosmic dust | Mint - Mint

The lens of your smartphone or DSLR camera must be clean for a neat picture. Then how does NASA's most powerful telescope catch crystal-clear images through blinding cosmic dust?

Would you ever try to shoot a photograph with a dusty lens, regardless of whether it's a digital single-lens reflex (DSLR) camera or your expensive smartphone? Even you do so, the photos will be hazy… [+9520 chars]

full article...