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ASTRONOMY 2 THIRD HOUR SESSION “D” |
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ACTIVITY:
Constellation Charts: Part II – Ecliptic, Seasons, Precession |
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1. What
are the Right Ascension and Declination coordinates for the star
________________ in the constellation of _________________ ?
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2. Other than stars, name three other types of
celestial objects plotted on the charts.
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3. What is the
name of the star at RA = __________ and Dec =___________? From the chart legends, what type of star is
it and what is its magnitude?
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4. Name three constellations found on the ecliptic.
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5. Which
constellation will the Sun occupy during the next _______ ? And for the
________ that follows this ________ , which constellation will the Sun occupy?
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6. Which constellation does the Sun occupy on
the date of _______________?
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7. Near what line
should you find the Moon or the planets?
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8.
Other than the Sun, which very bright stars are near the meridian at
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9. For
an object located at the following coordinates:______________, can you see this
object in the evening or morning sky on _____________________?
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10. If _____________ is in opposition on_______________, what
constellation does it occupy?
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11. The
following are the coordinates of Mars the latter part of 2005 and beginning of
2006. Plot Mars on your SC001. What type of motion is being exhibited by Mars?
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Date |
RA |
Dec |
Date |
RA |
Dec |
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September
1 |
03h 03m
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+14° 25' |
December 1 |
02h
24m |
+15°
08' |
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September
15 |
03h 19m
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+15° 40' |
December 16 |
02h
22m |
+15°
29' |
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October
1 |
03h 26m
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+16° 29' |
January 1 |
02h
33m |
+16°
43' |
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October
16 |
03h 18m
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+16° 37' |
January 15 |
02h
50m |
+18°
09' |
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November
1 |
02h 58m
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+16° 08' |
January 31 |
03h
16m |
+20°
00' |
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November
16 |
02h 38m
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+15° 29' |
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12. Estimate the date of Mars’s opposition from the
plot you made in the previous problem.
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13. In what year was the star
Thuban considered the North Polar Star?
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