1) The world's largest desert is the Sahara Desert in Africa, covering an area of about 3.6 million square miles (9.4 million square kilometers).

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

3) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

4) Tom Hanks is an American actor and filmmaker known for his versatile performances in films such as "Forrest Gump," "Saving Private Ryan," and "Cast Away." He has received numerous awards, including Academy Awards, Golden Globes, and BAFTAs.