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6Touching the Asteroid
Touching the Asteroid
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring back to Earth so scientists can study it to learn about the planet's origins.
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7.5Looking for Life on Mars
Looking for Life on Mars
NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and ...
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7Ultimate Space Telescope
Ultimate Space Telescope
NASA's James Webb Space Telescope, from its conception to completion.