Experts speaking Wednesday in Washington at a hearing of the House Science, Space and Technology Committee included, from left, Mary Voytek, senior scientist for astrobiology at NASA's planetary science division; Sara Seager, professor of physics and planetary science at the Massachusetts Institute of Technology; and Steven Dick, chair of astrobiology in the Library of Congress.
Experts speaking Wednesday in Washington at a hearing of the House Science, Space and Technology Committee included, from left, Mary Voytek, senior scientist for astrobiology at NASA's planetary science division; Sara Seager, professor of physics and planetary science at the Massachusetts Institute of Technology; and Steven Dick, chair of astrobiology in the Library of Congress. The Washington Post
Experts speaking Wednesday in Washington at a hearing of the House Science, Space and Technology Committee included, from left, Mary Voytek, senior scientist for astrobiology at NASA's planetary science division; Sara Seager, professor of physics and planetary science at the Massachusetts Institute of Technology; and Steven Dick, chair of astrobiology in the Library of Congress. The Washington Post

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