How many folks can say they've been helped out of a shuttle cockpit by NASA's chief?

Pluto on the Christmas tree ... #plutolives

Gollum is the star at Wellington airport for #Hobbit premiere. We're there & back again

EDL!EDL! Flag-waving team high-fives @MarsCuriosity leaders amid hoots and hollers. #MSL

June Lockhart of "Lost in Space" and "Lassie" in JPL newsroom. @MarsCuriosity #msl

Here's @TheScienceGuy at @SpaceX Dragon on the night before Planetfest in Pasadena

The @SpaceX Dragon (mockup) has arrived in Pasadena #awesome

The #superguppy has landed

One #superguppy comin' at ya!

The #superguppy has landed

One #superguppy comin' at ya!

Sunbow at Arch Cape, OR #vacationthrills

Sandcastle contest at Cannon Beach, OR

Our chariot awaits on Oregon's Rogue River

Gregory Schneider discusses #spacerace2012 win w/trophy and tears

Here's @therealbuzz at #spacerace2012

Greg Schneider discusses #spacerace2012 win w/ trophy and tears

Here's @therealbuzz at #spacerace2012

Here's @therealbuzz at #spacerace2012

I'm on the frickin top of the Space Needle #spacerace2012