wierd_world on Instagram: "Mermaids are legendary aquatic creatures that have fascinated cultures worldwide for millennia. Here are some key facts about them, primarily from mythology and folklore: ​Definition: Mermaids are typically described as having the head and upper body of a woman and the tail of a fish. The masculine version is a merman. ​Etymology: The English word "mermaid" is a compound of "mere" (an Old English word for sea) and "maid" (a girl or young woman). ​Ancient Origins: Tales

Explaining The Universe on Instagram: "The world’s largest digital camera is the LSST Camera, built for the Vera C. Rubin Observatory in Chile. Designed to study the universe in extraordinary detail, it has an incredible 3.2-gigapixel sensor, capable of capturing images so large that it would take hundreds of high-definition TVs to display just one. The camera is about the size of a small car and weighs around 2,800 kilograms. Its powerful lens system can photograph an area of the sky 40 times t