#NASAsocial badges are ready for their owners at the Goddard Space Flight Center. The badges are pink in honor of the cherry blossom.

iPhone photo of my @NASA_Rain #NASAsocial badge. It's pink in honor of the cherry blossoms.

The Goddard Building 3 auditorium stage is set for the live NASA TV broadcast of the #NASAsocial presentation.

Ramesh Kakar, NASA Earth Science Division Representative, spoke to the #NASAsocial crowd.

iPhone photo of NASA photographer Pat Izzo working to get a good shot of Riko Oki, JAXA TRMM/GPM Program Scientist.

The first three presenters answered questions from the audience and from online questions submitted using the hashtag #AskNASA. From left, Riko Oki of Japan Aerospace Exploration Agency (@JAXA_en on Twitter), Gail Skofronick-Jackson of @NASA_Rain, and Kakar of @NASA.

Ardeshir "Art" Azarbarzin, NASA Global Precipitation Measurement (GPM) Project Manager.

Masahiro Kojima, JAXA GPM/DPR Project Manager. DPR stands for Dual-frequency Precipitation Radar, one of two instruments that will be carried aboard the GPM satellite that will launch in 2014.

iPhone photo of the DPR logo, which was created by a commissioned artist.

Peter Hildebrand, Director of NASA Goddard Earth Sciences Division.

GPM signage in the lobby of Goddard Building 3.

Walking into Goddard Building 28 for the lunch break, I saw this giant globe. I thought, "Man, I wish I worked in a place where I see things like this in the lobby."

GPM NASA Social Hosted at Goddard

A short time later, I learned the globe was for this: The #NASAsocial group photo by Pat Izzo. (Credit: NASA/Goddard Space Flight Center/Pat Izzo)

iPhone photo of NASA photographer Pat Izzo (left) and Jason Townsend, NASA HQ social media, taking the group photo from above.

We were shown some amazing data visualization on NASA's Hyperwall. At right (in the dark), is Compton Tucker of NASA Goddard's Earth Sciences division.

More data visualization on NASA's Hyperwall: The changing landscape.

Ice flows in Antarctica on NASA's Hyperwall.

Rising sea surface temperatures on NASA's Hyperwall.

Tucker shows more sea surface temperature data on NASA's Hyperwall.

Dawn Myers (not shown), NASA Goddard Solar Science Instrument Specialist, shows us the many ways NASA looks at the sun.

I got to hold an iron meteorite dating to the 1500s in NASA Goddard's Astrobiology Lab. It was way heavier than its size implies.

Jason Townsend of NASA HQ social media holding the iron meteorite. I think we all had that look of wonderment when it was our turn to hold it.

Me holding a piece of a 4.6 billion year old meteorite in NASA Goddard's Astrobiology Lab. It's the oldest thing I will ever hold in my life.