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In 1969, the first human walked on the moon during the Apollo 11 mission. After six more missions, lunar exploration was stopped (7) ________ the lack of government funding. However, in 2017, President Trump signed a plan to start moon (8) ________.

NASA is currently building the Lunar Orbital Platform-Gateway, a mini space station that will (9) ________the moon and serve as a base for astronauts traveling to and from the moon. The Gateway will consist (10) ________five modules, with one or two housing astronauts, one producing power from sunlight, an air-lock module for spacewalks, and a port for spacecraft to dock.

NASA aims to use the Gateway as a launching pad for future space (11) ________beyond the moon.

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In February 2020, Christina Koch completed a mission on the International Space Station (ISS). It was the second-longest stay in space by an American astronaut. It was the longest by a female astronaut: 328 days. Here's how Koch spent them.

Koch's job on the ISS was to do science experiments. Koch's experiments will help us prepare for future space missions. For instance, she studied how vegetables grow in space. She also studied how spaceflight affects the human body. She tested robots and studied how fire behaves in space.

Astronauts work long days on the ISS. And they spend two hours a day on exercise machines. This keeps their muscles strong.

Then it's time to wind down. Koch ate dinner with crewmates. Meals were packaged and had to be heated up. But there was variety: Asian stir-fries, lasagna, and pizza.

Bedrooms on the ISS are just big enough for a sleeping bag. Each night, Koch zipped herself in and floated off to sleep. “That was the moment of release,” she says. “I could finally relax.”

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