The Complicated Trajectory to Understand a Comet

(Slate::Bad Astronomy) – Phil Plait:

In the summer of 2014 the Rosetta spacecraft approached and entered orbit around the comet 67P/Churyumov-Gerasimenko. No mission had ever done that before; humans had sent missions flying past comets, and even one to smash into a comet, but no long-term stay had ever been attempted.

Comets have very little gravity, so the term “orbit” is a bit loose here. Rosetta shifted around the comet, constantly changing its trajectory to accomplish the science needed to better understand the bizarre little wordlet. The European Space Agency released a short video outlining the spacecraft’s path as it moved around, and it’s worth watching. …

bad_astronomy 2016/08/07 rosetta

Rosetta trajectory for 2015-12-28


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

%d bloggers like this: