
The "Moon Tree" in front of the Visitor Center at NASA's Goddard Space Flight Center in Greenbelt, Md. This sycamore was planted at the visitor center on June 9, 1977, and grew from a seed carried to the Moon aboard Apollo 14.

The "Moon Tree" in front of the Visitor Center at NASA's Goddard Space Flight Center in Greenbelt, Md. This sycamore was planted at the visitor center on June 9, 1977, and grew from a seed carried to the Moon aboard Apollo 14.

Robert Strain was the center director of NASA's Goddard Space Flight Center in Greenbelt, Md. Strain assumed his post on Aug. 4, 2008. Strain was replaced by Christopher Scolese on March 5, 2012.

Craig Tooley, then-LRO project manager

NASA astronaut Piers Sellers at the podium in the IMAX theater at the National Air and Space Museum in Washington, D.C., for an annual reception and presentation with the Maryland Space Business Roundtable.

The NASA Administrator's Seal, painted onto the rear wall of the Acoustic Test Chamber at NASA's Goddard Space Flight Center in Greenbelt, Md.

Queen Elizabeth II talks with students at a NASA Explorer School Workshop, at NASA's Goddard Spaceflight Center, Tuesday, May 8, 2007, in Greenbelt, Md. Queen Elizabeth II and her husband, Prince Philip, Duke of Edinburgh, visited the NASA Goddard Space Flight Center as one of the last stops on their six-day United States visit. Photo Credit: (NASA/Pat Izzo)

Queen Elizabeth II talks with NASA astronaut Piers Sellers at NASA's Goddard Spaceflight Center, Tuesday, May 8, 2007, in Greenbelt, Md. Queen Elizabeth II and her husband, Prince Philip, Duke of Edinburgh, visited the NASA Goddard Space Flight Center as one of the last stops on their six-day United States visit. Photo Credit: (NASA/Pat Izzo)

Queen Elizabeth II and Prince Philip, The Duke of Edinburgh look on as Goddard employees demonstrate “Science on a Sphere.” This system, developed by the National Oceanic and Atmospheric Administration (NOAA), uses computers and four video projectors to display animated images on the outside of a 6-foot diameter sphere. Photo Credit: (NASA/Pat Izzo)

Nichelle Nichols 2012 MLK Event