Science News: The crescent moon is one of the most recognisable things in the night sky. At dusk or dawn, a lot of people have seen a thin, curved line of light in . Crescent moon (Image source: Canva) The crescent moon is one of the most recognisable things in the night sky. At dusk or dawn, a lot of people have seen a thin, curved line of light in the sky. This shape is caused by the positions of the Earth, Moo... [2737 chars]