Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 2, Problem 13RQ
Explain h to make a simple astronomical observation that would determine your latitude.
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Suppose city A and city B are 834 km apart and lie on the same north-south line, and city A is to the north of city B. If the latitude of city A is 47.2 degrees, what is the the latitude of city B? (Use r = 6400 km for the Earth's radius)
Use the relationship between distance (d), time (t) and speed (v),
d=vt
to find the calculation using the English units. Use the fact that GEO satellites orbit at 22,236 miles above Earth’s equator, and that the speed of light is 1.86 x 105 mi/s.
You are standing a distance x from a building with height y. If the straight line distance between you and the top of the building is 1200m and the angle between the horizontal plane and your straight line of sight is 40o. What is the height of the building and what distance are you from it?
Chapter 2 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 2 - Why have astronomers added modern constellations...Ch. 2 - What is the difference between asterism d a...Ch. 2 - What characteristic do starts in a constellation...Ch. 2 - Do people from other cultures on Earth see the...Ch. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - What does the word apparent mean in apparent...Ch. 2 - In what ways is the celestial sphere a scientific...Ch. 2 - Why do astronomers use the word on to describe...Ch. 2 - Earth did not rotate, could you define the...
Ch. 2 - Where would you go on Earth if you wanted to be...Ch. 2 - Prob. 12RQCh. 2 - Explain h to make a simple astronomical...Ch. 2 - 14. Why does the number of circumpolar...Ch. 2 - How could you detect Earths precession t examining...Ch. 2 - How Do We know? How can a scientific model be...Ch. 2 - Using stars from one or more of the “official”...Ch. 2 - Prob. 2DQCh. 2 - Prob. 1PCh. 2 - If two stars differ by 8.6 magnitudes, what is...Ch. 2 - Prob. 3PCh. 2 - By what factor is sunlight brighter than...Ch. 2 - If you are at a latitude of 35° north of Earths...Ch. 2 - Prob. 1LTLCh. 2 - Prob. 2LTL
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- The diameter of Earth across the equator is 7928 miles. If a mile equals 1.609 km. what is Earths diameter in kilometers? In centimeters?arrow_forwardIf you are going to convert local time, and your local was pacific standard time (pst) would you need to ass or subtract hours and how many would you add or subtract?arrow_forwardHow to find North of West ? my answers were 30.10 & it came from the square root of (16)^2+(25.5)^2 . now what's the next step to find the degrees North of West?arrow_forward
- The Earth is travelling around the sun at a speed of about 67,000 miles per hour [mph]. If it takes one year [yr] for the Earth to circle the Sun and we assume the Earth?s orbit is circular, what is the radius of the orbit in units of meters [m]? Use an appropriate SI prefix to report your answer so there are one, two, or three digits to the left of the decimal point.arrow_forwardHow to find North of West ? my answers were 30.10 & it came from the square root of (16)^2+(25.5)^2 . now what's the next step to find the degrees North of West? (IT IS NOT YET GRADED!!)arrow_forwardHow to solve for distance?arrow_forward
- An air traffic controller notices two signals from two planes on the radar monitor. One plane is at altitude 800 m and in a 19.2-km horizontal distance to the tower in a direction 25 south of west. The second plane is at altitude 1100 m and its horizontal distance is 17.6 km and 20 south of west. What is the distance between these planes?arrow_forwardIf you are at a latitude of 35° north of Earths equator, what is the angular distance from the northern horizon up to the north celestial pole? From the southern horizon down to the south celestial pole?arrow_forwardWhere T = orbital period in Earth years and R = distance of the planet from the sun in A.U.’s. From this equation how would you describe the relationship between T2 and R3?arrow_forward
- How do we calculate and solve for it ?arrow_forwardWhat is an astronomical unit? In what context ( For example galaxies, solar systems and planets, places on Earth) do astronomers use this unit of distance?arrow_forwardGiven the location of Springfield, IL is 40N and 90W, answer the following questions. You must explain your answer to each question When Springfield’s day light time is about 9 hours, what is the Sun-angle in Springfield? Use your calculation to explain your answerarrow_forward
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