Venus, Saturn and the moon will form a triple conjunction, appearing to look like a smiley face in a sky. Here's how and when ...

If you fancy seeing the night sky turn into one big emoji, then look up on Friday (April 25), as space experts say the combination of Saturn, Venus and a crescent moon in a rare triple conjunction ...

It stands to reason then that if you use more emoji ... around 70% are emotion based – for example, smiley face, love hearts. A smaller proportion of the emoji sent are sad expressions.