The Exclamation Mark ( ! exclamation mark )

The exclamation mark is used, usually at the end of a sentence, to give emphasis to something which is extraordinary or which the writer finds, or thinks the reader will find, surprising.

1. Exclamation Mark Examples

   • I would love to know what he would think today. Not only have we detected gravitational waves, but we’ve detected 90 unique eventsthere were two surprising events - detecting gravitational waves AND detecting 90 unique events! exclamation mark indicating that detecting gravitational waves and 90 unique events is extraordinary This is one of the biggest achievements in physics, and how they did it was nothing short of amazingthis sentence gives more information about why detecting 90 unique events is extraordinary.

     'he' in the example above refers to Einstein, mentioned earlier in the text.

   • But remember: The universe holds up to 2 trillion galaxies. That’s 2,000,000,000,000extraordinary numbers! exclamation mark pointing out remarkable numbers And each galaxy contains tens or even hundreds of billions of starsmore extraordinary numbers.
   • This high-speed collision – over 36000 kilometres per hourextremely high speed! exclamation mark (inside a sentence) pointing out remarkable speed – releases a huge amount of energy that causes a lot of destructionthe consequence of the very high speed collision     (context)Scientists call these “impact craters”: a bowl-shaped depression in the rocky crust of a planet, moon or asteroid that is caused by another rocky piece of space debris slamming into it really fast. This high-speed collision – over 36000 kilometres per hour! – releases a huge amount of energy that causes a lot of destruction. .