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February 6, 2013

February 6, 2013. In your NOTEBOOK, copy F.Q. & L.G.’s . Put any MISSING homework in the “PASS IT IN!” bin. F.Q. : What can we do now that we know what we need to study? L.G. : I can successfully complete practice problems using the ESRT solar system chart.

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February 6, 2013

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  1. February 6, 2013 • In your NOTEBOOK, copy F.Q. & L.G.’s. • Put any MISSING homework in the “PASS IT IN!” bin. F.Q.: What can we do now that we know what we need to study? L.G.: I can successfully complete practice problems using the ESRT solar system chart. I can successfully complete my review packet on longitude and latitude. Complete QUIETLY in 5 minutes for a stamp!

  2. S.S. PRACTICE PROBLEMS In your NOTEBOOK, copy and complete the following 6 sentences using your E.S.R.T. • The 2 largest planets are . . . • The planet closest in size to Earth is . . . • In comparison to the sizes of the gas giants, the sizes of the inner planets are . . . • The planet with most nearly circular orbit is . . . • The planet with a rotational period longer than its revolutionary period is . . . • The only planet that could float in water is . . .

  3. ANSWERS • The 2 largest planets are . . . JUPITER and SATURN According to the E.S.R.T., Jupiter’s equatorial diameter is 142,984 km. According to the E.S.R.T., Saturn’s equatorial diameter is 120,536 km.

  4. ANSWERS 2. The planet closest in size to Earth is . . . VENUS According to the E.S.R.T., Venus’ equatorial diameter is 12,104 km. According to the E.S.R.T., Earth’s equatorial diameter is 12,756 km.

  5. ANSWERS 3. In comparison to the sizes of the gas giants, the sizes of the inner planets are . . . SMALLER Compare the equatorial diameters of GAS GIANTS (Jupiter, Saturn, Uranus & Neptune) with those of the INNER PLANETS (Mercury, Venus, Earth, & Mars).

  6. ANSWERS 4. The planet with most nearly circular orbit is . . . VENUS According to the E.S.R.T., Venus has a eccentricity of 0.007. The lower the eccentricity value, the more circular the orbit will be.

  7. ANSWERS 5. The planet with a rotational period longer than its revolutionary period is . . . VENUS According to the E.S.R.T., Venus has a rotational period of 243 days. According to the E.S.R.T., Venus has a revolutionary period of 224.7 days. Its DAY is longer than its year!

  8. ANSWERS 6. The only planet that could float in water is . . . SATURN According to the E.S.R.T., Saturn’s density is 0.7 g/cm3 which is less than water’s density of 1 g/cm3. An object will float in a liquid that has a higher density.

  9. CELESTIAL NAVIGATION • ZENITH is the point in the sky straight overhead. • The zenith is located 90 degreesabove the horizon. • MAN A will see Polaris at the zenith. • NO, people in the southern hemisphere see a different set of stars compared to the people in the northern hemisphere.

  10. CELESTIAL NAVIGATION 5. At the North Pole, an observer would see Polaris 90 degrees above the horizon. 6. An observer at the equator would see Polaris 0 degrees above the horizon, and at the equator. 7. Man C would NOT be able to see Polaris because he is located in the Southern hemisphere. 8. Polaris is visible only to observers north of the equator.

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