Launched just over 37 years ago in September 1977, the probe is now about 18 light-hours away from home.  How do we know?  Why from reading Voyager I’s twitter feed that’s how.  Yup.  Voyager I is on Twitter.

Reminds me of this.  Long intro…stick with it though.  Or skip ahead to 0:45.  You’re welcome.

Cross posted at Men Out of Work Blog