Science editor at NBCNews.com, Cosmic Log blogger, author of The Case for Pluto
Waiting for #spacerace2012 contestants at space needle
I'm on the frickin top of the Space Needle #spacerace2012
#Supermoon Saturday wouldn't be complete without my fuzzy picture taken from Bellevue WA
So @badastronomer sez supermoon = dime at 6ft. For me, it's dime at 4ft. #yourmoonmayvary
Straighten it out and drive that shuttle into the garage!
Discovery makes it's entrance
Sen. Glenn with @robertpearlman at @NASM
What's the password of the day, Discovery?
Here's.@Keithcowing with Enterprise ... 2 to beam up!
Yours truly with shuttle #Enterprise at @NASM
#Discovery peeking through the trees at @NASM #ov103
Here's NASA's No. 2, @Lori_garver, among the rest of the gang in the people mover. #discovery
Yours truly w/ my BFF #Discovery. Thanx for taking picture, @robertpearlman
Farewell to Discovery's flying days #spottheshuttle
Photo ops for VIPs with space shuttle
Here's a pic of Discovery-747 without the window schmutz. #spottheshuttle
I'm a terrible picture taker but even I can't screw up this window view #discovery #spottheshuttle
Steaming-hot corned beef for St. Paddy's Day
Cracking open a jar of honey from our daughter the bee researcher
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