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What can we see in the night sky?

What can we see in the night sky?. Astronomy. the study of what is beyond the Earth. The Universe. is everything that exists, including all matter and energy everywhere. Galaxies. Rotating collection of gas, dust, and billions of stars, planets, and other celestial objects. Stars (Luminous).

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What can we see in the night sky?

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  1. What can we see in the night sky?

  2. Astronomy • the study of what is beyond the Earth.

  3. The Universe • is everything that exists, including all matter and energy everywhere

  4. Galaxies • Rotating collection of gas, dust, and billions of stars, planets, and other celestial objects

  5. Stars (Luminous) • matter that emits huge amounts of energy (heat and light). • appear to twinkle • appear as part of a constellation

  6. Constellations • groups of stars that seem to form shapes or patterns • many are named after animals, therefore called zodiac constellations

  7. Nonluminous Objects • objects that do not emit their own light • Like planets and moons. • we see them only when the sunlight reflects off them. Earth Sun

  8. The Solar System • the Sun and all the objects that travel around it, including the 8 known planets, the moons of those planets and some panetoids. Not a planet any more

  9. Planets • matter, generally spherical, that revolves around a star. • wander through the constellations, therefore were called “wandering stars” by the Greeks.

  10. Moons • Are satellites (celestial objects that travel around a planet)

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