Hubble, Hubble, Seeing Double!: These twins are a little too identical! They are close together, lie at the same distance from us, and have surprisingly similar properties. They are in fact the same object.
The Sciences and Exploration Directorate is the largest Earth and space science research organization in the world. Its scientists advance understanding of the Earth and its life-sustaining environment, the Sun, the solar system, and the wider universe beyond. The Directorate is part of Goddard Space Flight Center in Greenbelt, Maryland.
Researchers in the Sciences and Exploration Directorate work with engineers, computer programmers, technologists, and other team members to develop the cutting-edge technology needed for space-based research. Instruments are also deployed on aircraft, balloons, and Earth's surface.
The Directorate's researchers share their findings and data with the scientific community. Education and Public Outreach programs explain the science to students and the general public.
General inquiries about the scientific programs at NASA's Goddard Space Flight Center may be directed to the Center Office of Communications at 1.301.286.8955.