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ASTRONOMY. The study of the universe.

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astronomy

ASTRONOMY

The study of the universe

slide2

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 ) (

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Two ways planets move

1) rotate

2) revolve

inner planets mercury venus earth mars
INNER PLANETSMercury, Venus, Earth, Mars
  • SURFACE: rocky, terrestrial
  • MOONS: few or none
  • RINGS: none
  • ORBITS: faster than outer planets
  • ROTATIONS: slower than outer planets
outer planets jupiter saturn uranus neptune
OUTER PLANETSJupiter, Saturn, Uranus, Neptune
  • SURFACE: mostly gas; “gas giants”
  • MOONS: many
  • RINGS: many
  • ORBITS: longer than inner planets
  • ROTATIONS: faster than inner planets
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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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