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NASA’s TESS Discovers Planetary System’s Second Earth-Size World | NASA Wants You to Help Study Planets Around Other Stars 

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	EXOPLANETS NASA’s TESS Discovers Planetary System’s Second Earth-Size World The newly discovered planet and its Earth-size sibling are both in the habitable zone, where liquid water could potentially exist on their surfaces. Read More

				EXOPLANETS NASA Wants You to Help Study Planets Around Other Stars The Exoplanet Watch project invites you to use your smartphone or personal telescope to help track worlds outside our solar system. Read More

	SLICE OF HISTORY 55th Anniversary of Surveyor 7 Launch The lunar lander was sent to explore the Moon's surface to prepare for the Apollo missions. Read More