NASA is taking part in the celebration of Earth Day's 42nd anniversary on the National Mall in Washington from April 20 through April 22. The agency's involvement includes three consecutive days of activities and exhibits open to the public. Additional activities are scheduled at nearby NASA Goddard Space Flight Center in Greenbelt, Md.
NASA is taking part in the celebration of Earth Day's 42nd anniversary on the National Mall in Washington from April 20 through April 22. The agency's involvement includes three consecutive days of activities and exhibits open to the public. Additional activities are scheduled at nearby NASA Goddard Space Flight Center in Greenbelt, Md.
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