Q Review of Third Hours Use various skills and devices you have used in this class to solve the following review problems. Remember when you submit your work, number each answer. Scales 1. If we represent the sun as a Grapefruit of diameter 10 cm, how big would Jupiter be? How big would the Earth be? (Helpful information: Diameter of Sun = 1,392,000 km; Diameter of Jupiter = 139,800 km; Diameter of Earth = 12,740 km) Star Charts 2. What are the Dec and RA coordinates of the star marked ? (gamma) in the constellation of Cassiopeia? Using the chart legend, what type of star is it? (Hint: it is on the SC002 chart) 3. In what constellation does the sun appear on July 5? 4. What named star on the SC001 star chart is on the meridian at noon on October 25? 5. If the Full moon is in the middle of Gemini what month must it be? Telescopes 6. Suppose you had a telescope with a focal length Fo = 1600 mm and an eyepiece with a focal length of Fe = 25 mm. what is the magnification of the telescope? 7. What is the light gathering power (LGP) of a telescope with a diameter Do = 170 mm as compared with one lens of set of binoculars labelled 10 x 50? Sky Gazer’s Almanac (Note: the requested events may have already happened or may happen later this year. Questions are given in standard time, and do not worry about longitude corrections.) 8. On what date does Saturn rise at 2:00 am? 9. On what date are Saturn and Mars in conjunction with each other? 10. On what date is Uranus in conjunction with the sun? 11. What time does Jupiter rise on July 10? 12. What time does the moon set on January 13 (use morning side)? What phase is it? Planispheres (Give your answer in standard time) 13. What time does Altair set on 23 September? 14. What time does Aldebaran transit on 13 February? 15. On what date does Antares rise at 12:30 am (use South (back) side)? Stellarium (All questions are configured for a Sacramento observer, as we have been doing in class) 16. On June 22, 2022, at 3:00 am (03:00), what is the name of the planet that appears closest to the Moon in the sky? 17. According to Stellarium, what is the magnitude (not the reduced magnitude) of Caph? Cutting/pasting the following may help you when you are submitting your answers. 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) PreviousNext

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