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ASTRONOMY

ASTRONOMY. The study of the universe.

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ASTRONOMY

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  1. ASTRONOMY The study of the universe

  2. astronomy – the study of the universeastronomer – scientist who studies astronomyconstellation – a pattern made by a group of starstelescope – an instrument used to view far away objectsobjective – the convex lens in a telescope ( )eyepiece – the concave lens in a telescope ) (

  3. Two ways planets move 1) rotate 2) revolve

  4. INNER PLANETSMercury, Venus, Earth, Mars • SURFACE: rocky, terrestrial • MOONS: few or none • RINGS: none • ORBITS: faster than outer planets • ROTATIONS: slower than outer planets

  5. OUTER PLANETSJupiter, Saturn, Uranus, Neptune • SURFACE: mostly gas; “gas giants” • MOONS: many • RINGS: many • ORBITS: longer than inner planets • ROTATIONS: faster than inner planets

  6. MERCURY closest to Sun, but not the hottest; smallest planet

  7. VENUS 2ND from Sun; hottest planet; said to be Earth’s twin because of its similar size

  8. EARTH 3rd from Sun; only planet known to support life

  9. MARS 4th from Sun; called the Red Planet because of the rust on its surface

  10. JUPITER 5th from Sun; largest planet; has a large Red Spot that is a huge wind storm

  11. SATURN 6th from Sun; known for its many beautiful rings

  12. URANUS 7th from Sun; bluish color due to methane gas; rotates sideways

  13. NEPTUNE 8th from Sun; bluish color; considered the twin of Uranus; has a Dark Spot that is a storm

  14. STARS 1. A STAR MAP is a tool used to locate certain stars and constellations.2. The stars that are visible to you depend on YOUR LOCATION ON EARTH AND THE TIME OF YEAR.3. Why do stars appear to move across the sky? EARTH’S ROTATION ON ITS AXIS4. POLARIS, OR THE NORTH STAR, APPEARS TO STAY IN ABOUT THE SAME PLACE ALL THE TIME.

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