We all know that ESA's spacecraft Rosetta is about to send a probe to land on a comet.
What we're not all clear on is exactly how that miracle is apparently going to happen.
Fortunately, the brains at Space.com have put together this simple infographic to cut cut through the complexity and show you how it's all going to happen.
For more details head over to our full coverage news story - where you can also watch the landing live.
#COMETLANDING: Full Coverage