a small module named Philae launched from Rosetta spaceship will land on a comet named 67p ( not that creative i know )
this is much more important than our daily concerns imo. you can even watch it live here :
http://new.livestream.com/esa/cometlanding
also please share your thoughts if you are as hyped as i am !
edit: requested by MerinPally, here is the expected schedule:
Rosetta delivery manoeuvre - shortly after 06:00
Latest Go/No-go decision - before 07:35
Philae separates from Rosetta - 08:35
Confirmation signal at Earth of separation - 09:03
Rosetta's post-delivery manoeuvre - 09:15
Radio connection established - 10:30
First data from descending Philae after 12:00
Landing of Philae on 67P - after 15:30
Confirmation signal at Earth - around 16:00