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【SS0041】starlight The light emitted by stars, traveling vast distances to reach Earth. Example Starlight filled the night sky. I lay on the grass a […]
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【SS0040】constellation Group of stars that appear to form a pattern in the night sky. People imagine these patterns to look like animals, objects, or mythological […]
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【SS0039】astronomy Study of the universe, from planets and stars to galaxies and beyond. Example Astronomy studies space. I love learning about astronomy. Telescopes are used in astronomy.
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【SS0038】stargazing When you are looking up at the night sky to admire stars and other celestial objects. Example We enjoyed stargazing on the beach l […]
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【SS0037】Big Bang This theory suggests the universe began as a tiny, incredibly hot point that exploded and has been expanding ever since, creating the space and […]
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【SS0036】milky way Vast spiral galaxy containing billions of stars, including our Sun. Example Our solar system is located in the Milky Way galaxy. […]
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【SS0035】Pluto It is a famous dwarf planet. A dwarf planet is like a planet, but it’s smaller. It orbits the Sun, but it doesn’t have enough gravity to c […]
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【SS0034】orbit A curved path one object takes around another. Example The Earth orbits the sun. Satellites orbit the Earth. The Moon orbits the Earth.
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【SS0033】gravity A force that pulls objects towards each other. It’s what keeps us grounded on Earth and makes things fall. Example Gravity pulls o […]
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【SS0032】universe It is everything that exists, including all space, time, matter, and energy. Example We are just a small part of the universe. The universe is constantly expanding. Our planet is in the universe.
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【SS0031】crescent moon It is when only a small part of the moon is lit up, looking like a curved shape in the night sky. Example I saw a crescent moon in t […]
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【SS0030】full moon It is when the Earth is directly between the Sun and the Moon, making the Moon appear fully lit up. Example The full moon is s […]
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【SS0029】new moon When the moon is positioned between the Earth and the sun, making it invisible from Earth. It’s the start of a new lunar […]
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【SS0028】galaxy Giant group of stars, gas, and dust held together by gravity. Example Galaxies are made up of stars, gas, and dust. There are b […]
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【SS0027】atmosphere Layer of gases surrounding a planet. It’s like a blanket protecting us from harmful rays and keeping the planet warm. Example […]
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【SS0026】planets Large, round object that orbits a star. It’s big enough to be pulled into a round shape by its own gravity. Example Planets orbit a […]
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【SS0025】shooting star It is not a star but a small piece of space rock burning up as it enters Earth’s atmosphere. Examples: Did you make a wish on […]
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【SS0024】star signs Astrological label based on the position of the sun at your birth. It’s associated with certain personality traits and […]
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【SS0022】U.F.O. Something seen in the sky that people can’t identify. Some people think they might be spaceships from other planets. Example I saw a […]
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【SS0023】alien A living creature from another planet. Example The movie is about a friendly alien. My friend believes she saw an alien creature. Aliens live on a distant planet.
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