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

2) The Boston Celtics and the Los Angeles Lakers are the most successful teams in NBA history, with a combined total of 33 championships.

3) Will Smith is an American actor, rapper, and producer known for his roles in films such as "Men in Black," "Independence Day," and "The Pursuit of Happyness." He has achieved success in both the music and film industries and has received numerous accolades for his work.

4) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.