Can you make a comet?

Question: Can you make a comet?
- Keywords:
  comet
Asked by Mitzyboom to Dervil on 8 Nov 2016.
- Dervil Cody answered on 8 Nov 2016:
  
  I have never made a comet! But I had a quick search on the internet and I found a cool video of how they make a comet in the lab at NASA:
  
  http://www.jpl.nasa.gov/edu/teach/activity/create-a-comet-with-dry-ice/
  
  Pretty cool!

Question: Can you make a comet?