The Cassini spacecraft, after 20 years of documenting Saturn, will bid us a fond farewell as it burns up in the atmosphere of Saturn later this evening.
We will be on the ground at the Canberra Deep Space Communication Complex documenting every step, and here's how you can watch too.
The end-of-mission will be streaming here:
As well as here:
We will also be live-blogging thew whole event, and you can follow along on social media with the hashtags #CassiniAus #GrandFinale