1) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.

2) Orchids are one of the largest families of flowering plants, with over 25,000 species.

3) The largest living structure on Earth is the Great Barrier Reef, spanning over 2,300 kilometers (1,400 miles) along the coast of Australia.

4) Priyanka Chopra Jonas is an Indian actress, singer, and film producer who has made significant contributions to both Bollywood and Hollywood. She gained international fame through her role in the television series "Quantico" and has since starred in successful films.