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The Universe

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The big bang theory states that the universe began as a tiny but powerful explosion of space-time roughly 13.7 billion years ago . The Origin of the Universe: The Big Bang

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Andromeda Galaxy

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The Hat Galaxy

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Galaxy M64

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Our Galaxy: The Milky Way

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OUR SOLAR SYSTEM Our solar system consists of the sun, planets, dwarf planets (or plutoids), moons, an asteroid belt, comets, meteors, and other objects.

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The Sun Our sun is a star located at the center of our Solar System

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Mercury Mercury is the planet closest to the Sun in our Solar System.

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Venus Venus is the second planet from the sun in our solar system. It is the hottest planet in our Solar System.

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The Earth The Earth is the third planet from the Sun in our Solar System. It is the only planet in our Solar System that is known to support life.

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Mars Mars, the red planet, is the fourth planet from the sun.

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Jupiter Jupiter is the fifth and largest planet in our solar system.

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Saturn Saturn is the sixth planet from the sun in our solar system. It is the second-largest planet in our solar system .

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Uranus Uranus is the seventh planet from the sun in our solar system.

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Neptune Neptune is the eighth planet from the sun in our solar system.

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The Moon The moon is Earth’s only natural satellite

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Can you compare the size of these planets? (yes…, Pluto is not a planet anymore…)

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And these…?

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…and with the size of the SUN?

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And the SUN with some other STARS?

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The Stars Each star in the sky is an enormous glowing ball of gas

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Comets A comet is a small, icy celestial body that orbits around the sun

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Asteroids Asteroids are rocky or metallic objects

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Meteoroids Meteoroids are small bodies that travel through space. Meteoroids are smaller than asteroids .

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Black Holes A Black Hole is a massive object (or region) in space that is so dense that its gravitational field does not let anything escape from it.

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You see…,Universe is so big, and we…? How big are our problems? Or our illusions?

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