New Moon - The first lunar phase, the disc is not visible to the naked eye. , Full Moon - The phase of the moon when the whole disc is illuminated., Waxing  - A moon that gets more sun light on it as it's days go by., Waning  - When the visible surface of the disc is getting smaller., Cresent Moon - The phase of the Moon that is shaped like a banana. , Gibbous moon - When more than half, but not all of the disc is illuminatedfull, EVA - Extra vehicular activity, when an astronaut leaves the spacecraft to work in space, Communication - The exchange of information , Neal Armstrong - The first man to walk on the Moon , Milestone - An event marking a significant stage in development , Astronaut  - A person who is trained to travel in a spacecraft , Navigation - The act of knowing one's position and planning and following a route, NASA - National Aeronautics and Space Administration , Space Shuttle - A reusable spacecraft , ISS - The International Space Station, Operation BLiSS - Bobcats learning space science,

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