article_snippet: This Mars-lke planet consists of the bottom of a glass containing half and half, water and food colouring.
article_snippet: This planet consists of the bottom of a glass with half and half milk, water and food colouring.
article_snippet: This icy planet consists of the bottom of a glass containing half and half, water and food colouring.
article_snippet: This planet in deep space is two glasses containing half and half, coconut milk, water and food colouring .