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1) Note in Figure 1 that the position of Star B at 6 pm has been identified for you. Circle the numbered position (1, 2, 3, and 4) in Figure 2 that corresponds to the identified location of Star B at 6pm provided in Figure 1. 2) The rotation of the celestial sphere carries Star B around so that it returns to the same position at about 6 pm the next evening. Label each of the x's in both figures with the approximate time at which Star B will arrive (e.g., the location your circled in question 1 will be labeled "6 pm). 3) Using Figure 2, describe the direction you have to look to see Star B at 6 am.

1) Note in Figure 1 that the position of Star B at 6 pm has been identified for you. Circle the numbered position (1, 2, 3, and 4) in Figure 2 that corresponds to the identified location of Star B at 6pm provided in Figure 1. 2) The rotation of the celestial sphere carries Star B around so that it returns to the same position at about 6 pm the next evening. Label each of the x's in both figures with the approximate time at which Star B will arrive (e.g., the location your circled in question 1 will be labeled "6 pm). 3) Using Figure 2, describe the direction you have to look to see Star B at 6 am.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Please answer question #2 on page 2. Page 1 has background information.  Please open the image to see page 2 and answer question #2.  Thank you.

### Lecture Tutorial 02 Motion #### Part I: Looking North For this activity, imagine you are the observer shown on Earth in the Northern Hemisphere and that this time is 6 pm. Looking north the sky will appear as shown in **Figure 1**. The positions and motions of the star in Figure 1 can be understood by imagining yourself as the observer at the center of the celestial sphere as shown in **Figure 2**. In the celestial sphere model, the Earth is stationary, and the stars are carried on a sphere that rotates about an axis that points to the North Star. Note that only the portion of the celestial sphere that is above your horizon is shown. ![Figure 1](figure1.png) **Figure 1**: This figure depicts the northern sky at 6 PM from the perspective of an observer in the Northern Hemisphere. The North Star is positioned at the top of the sky, while other stars trace apparent paths along the celestial sphere. ![Figure 2](figure2.png) **Figure 2**: This figure provides a detailed diagram of the celestial sphere model. The Earth is conceptualized as being inside the sphere, with the celestial axis oriented towards the North Star. The Celestial Sphere Rotation is highlighted, along with the paths of stars A and B, and their relative positions around the horizon and Earth's equator. The diagram illustrates how stars appear to move across the sky as the celestial sphere rotates. --- *Note: The diagrams are simplified representations to help understand the motions of celestial bodies from a specific perspective on Earth.*
Transcribed Image Text:### Lecture Tutorial 02 Motion #### Part I: Looking North For this activity, imagine you are the observer shown on Earth in the Northern Hemisphere and that this time is 6 pm. Looking north the sky will appear as shown in **Figure 1**. The positions and motions of the star in Figure 1 can be understood by imagining yourself as the observer at the center of the celestial sphere as shown in **Figure 2**. In the celestial sphere model, the Earth is stationary, and the stars are carried on a sphere that rotates about an axis that points to the North Star. Note that only the portion of the celestial sphere that is above your horizon is shown. ![Figure 1](figure1.png) **Figure 1**: This figure depicts the northern sky at 6 PM from the perspective of an observer in the Northern Hemisphere. The North Star is positioned at the top of the sky, while other stars trace apparent paths along the celestial sphere. ![Figure 2](figure2.png) **Figure 2**: This figure provides a detailed diagram of the celestial sphere model. The Earth is conceptualized as being inside the sphere, with the celestial axis oriented towards the North Star. The Celestial Sphere Rotation is highlighted, along with the paths of stars A and B, and their relative positions around the horizon and Earth's equator. The diagram illustrates how stars appear to move across the sky as the celestial sphere rotates. --- *Note: The diagrams are simplified representations to help understand the motions of celestial bodies from a specific perspective on Earth.*
### Understanding the Movement of Stars in the Celestial Sphere #### Overview The following instructions will guide you through understanding the position and movement of Star B as it traverses the celestial sphere over one complete cycle. Follow each step carefully to identify and predict the location of Star B at different times. #### Instructions: 1. **Identifying the Position of Star B at 6 pm:** - In **Figure 1**, the position of Star B at 6 pm is already marked for you. - **Action Required:** Circle the numbered position (1, 2, 3, or 4) in **Figure 2** that corresponds to the location of Star B at 6 pm as provided in **Figure 1**. 2. **Tracking the Rotation of the Celestial Sphere:** - As the celestial sphere rotates, Star B will return to the same position at about 6 pm the next evening. - **Action Required:** Label each of the x’s in both figures with the approximate time at which Star B will arrive (e.g., the location you circled in Question 1 will be labeled “6 pm”). 3. **Determining the Direction to View Star B at 6 am:** - **Figure 2** provides a detailed schematic illustrating the path of Star B. - **Action Required:** Describe the direction you need to look to see Star B at 6 am using the information in **Figure 2**. #### Explanation of **Figure 2**: - **Figure 2** shows the celestial sphere with labeled components: - **Celestial Sphere Rotation**: This is depicted around the outer edge and indicates the direction in which the sphere rotates. - **Horizon**: The observer’s local horizon is drawn as a line near the bottom of the diagram. - **Earth’s Equator**: Illustrated as a horizontal line across the middle. - **North Star**: The North Star is shown as a central figure towards the top, around which the celestial objects appear to rotate. - **Star B**: The position and path of Star B are marked with x’s indicating the star’s location at various times. - **Path of Star B**: The trajectory line showing the movement of Star B across the celestial sphere. - **Positions (1, 2, 3, 4)**: These numbered positions along Star B’s path require labeling according to
Transcribed Image Text:### Understanding the Movement of Stars in the Celestial Sphere #### Overview The following instructions will guide you through understanding the position and movement of Star B as it traverses the celestial sphere over one complete cycle. Follow each step carefully to identify and predict the location of Star B at different times. #### Instructions: 1. **Identifying the Position of Star B at 6 pm:** - In **Figure 1**, the position of Star B at 6 pm is already marked for you. - **Action Required:** Circle the numbered position (1, 2, 3, or 4) in **Figure 2** that corresponds to the location of Star B at 6 pm as provided in **Figure 1**. 2. **Tracking the Rotation of the Celestial Sphere:** - As the celestial sphere rotates, Star B will return to the same position at about 6 pm the next evening. - **Action Required:** Label each of the x’s in both figures with the approximate time at which Star B will arrive (e.g., the location you circled in Question 1 will be labeled “6 pm”). 3. **Determining the Direction to View Star B at 6 am:** - **Figure 2** provides a detailed schematic illustrating the path of Star B. - **Action Required:** Describe the direction you need to look to see Star B at 6 am using the information in **Figure 2**. #### Explanation of **Figure 2**: - **Figure 2** shows the celestial sphere with labeled components: - **Celestial Sphere Rotation**: This is depicted around the outer edge and indicates the direction in which the sphere rotates. - **Horizon**: The observer’s local horizon is drawn as a line near the bottom of the diagram. - **Earth’s Equator**: Illustrated as a horizontal line across the middle. - **North Star**: The North Star is shown as a central figure towards the top, around which the celestial objects appear to rotate. - **Star B**: The position and path of Star B are marked with x’s indicating the star’s location at various times. - **Path of Star B**: The trajectory line showing the movement of Star B across the celestial sphere. - **Positions (1, 2, 3, 4)**: These numbered positions along Star B’s path require labeling according to
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Please answer question #2 on page 2. Page 1 has background information.  Please open the image to see page 2 and answer question #2.  Please make sure to answer the question "What time will Star B arrive at all the X's in figure 2?"

**Lecture Tutorial 02 Motion** **Part I: Looking North** For this activity, imagine you are the observer shown on Earth in the **Northern Hemisphere** and that this time is **6 pm**. Looking north, the sky will appear as shown in **Figure 1**. The positions and motions of the star in Figure 1 can be understood by imagining yourself as the observer at the center of the celestial sphere as shown in **Figure 2**. In the **celestial sphere model**, Earth is stationary and the stars are carried on a sphere that rotates about an axis that points to the **North Star**. Note that only the portion of the celestial sphere that is above your horizon is shown. ![Figure 1](Insert link to image) 1. **Figure 1 Description**: - This diagram shows the appearance of the sky looking north at 6 PM in the Northern Hemisphere. - The North Star is centered at the top, with other stars appearing to rotate around it. ![Figure 2](Insert link to image) 2. **Figure 2 Description**: - This diagram illustrates the celestial sphere model from the observer's point of view at the center of the celestial sphere. - It shows the rotation of the celestial sphere about an axis pointing to the North Star. - Several paths of stars (Star A and Star B) are represented by curved trajectories on the sphere. - The horizon and Earth's equator are labeled for reference. - The rotation direction of the celestial sphere is indicated by arrows. In summary, understanding how the stars move in the sky can be simplified by visualizing the stars on a rotating celestial sphere centered around an immobile Earth, enabling easier comprehension of the apparent motions observed in the night sky.
Transcribed Image Text:**Lecture Tutorial 02 Motion** **Part I: Looking North** For this activity, imagine you are the observer shown on Earth in the **Northern Hemisphere** and that this time is **6 pm**. Looking north, the sky will appear as shown in **Figure 1**. The positions and motions of the star in Figure 1 can be understood by imagining yourself as the observer at the center of the celestial sphere as shown in **Figure 2**. In the **celestial sphere model**, Earth is stationary and the stars are carried on a sphere that rotates about an axis that points to the **North Star**. Note that only the portion of the celestial sphere that is above your horizon is shown. ![Figure 1](Insert link to image) 1. **Figure 1 Description**: - This diagram shows the appearance of the sky looking north at 6 PM in the Northern Hemisphere. - The North Star is centered at the top, with other stars appearing to rotate around it. ![Figure 2](Insert link to image) 2. **Figure 2 Description**: - This diagram illustrates the celestial sphere model from the observer's point of view at the center of the celestial sphere. - It shows the rotation of the celestial sphere about an axis pointing to the North Star. - Several paths of stars (Star A and Star B) are represented by curved trajectories on the sphere. - The horizon and Earth's equator are labeled for reference. - The rotation direction of the celestial sphere is indicated by arrows. In summary, understanding how the stars move in the sky can be simplified by visualizing the stars on a rotating celestial sphere centered around an immobile Earth, enabling easier comprehension of the apparent motions observed in the night sky.
### Understanding the Celestial Sphere: The Movement of Star B The "x"s in both figures illustrate four positions through which Star B will pass over the course of one revolution of the celestial sphere. Star A should be disregarded until question 6. 1. **Position at 6 pm:** - **Task:** Identify the location of Star B at 6 pm in Figure 1. In Figure 2, circle the corresponding numbered position (1, 2, 3, or 4) that aligns with the identified location of Star B at 6 pm as provided in Figure 1. 2. **Rotation of the Celestial Sphere:** - The celestial sphere rotates, causing Star B to return to the same position at approximately 6 pm the next evening. - **Task:** Label each "x" in both figures with the approximate time Star B will be at each position. The position you circled in Question 1 should be labeled as "6 pm." 3. **Direction to Observe Star B at 6 am:** - **Task:** Using Figure 2, describe in which direction you must look to see Star B at 6 am. ### Explanation of Figure 2 **Figure 2: Diagram of Celestial Positions** - **Celestial Sphere and Equator:** This circle represents the celestial sphere, with the Earth's equator projected onto the celestial sphere as the celestial equator. - **Star Positions:** There are four marked positions (1, 2, 3, 4) indicating the potential positions of Star B. - **Celestial Sphere Rotation:** Arrows show the rotation direction of the celestial sphere around the observational horizon. By understanding the movement of stars on the celestial sphere and the rotational dynamics, students can predict the positions of celestial bodies at different times.
Transcribed Image Text:### Understanding the Celestial Sphere: The Movement of Star B The "x"s in both figures illustrate four positions through which Star B will pass over the course of one revolution of the celestial sphere. Star A should be disregarded until question 6. 1. **Position at 6 pm:** - **Task:** Identify the location of Star B at 6 pm in Figure 1. In Figure 2, circle the corresponding numbered position (1, 2, 3, or 4) that aligns with the identified location of Star B at 6 pm as provided in Figure 1. 2. **Rotation of the Celestial Sphere:** - The celestial sphere rotates, causing Star B to return to the same position at approximately 6 pm the next evening. - **Task:** Label each "x" in both figures with the approximate time Star B will be at each position. The position you circled in Question 1 should be labeled as "6 pm." 3. **Direction to Observe Star B at 6 am:** - **Task:** Using Figure 2, describe in which direction you must look to see Star B at 6 am. ### Explanation of Figure 2 **Figure 2: Diagram of Celestial Positions** - **Celestial Sphere and Equator:** This circle represents the celestial sphere, with the Earth's equator projected onto the celestial sphere as the celestial equator. - **Star Positions:** There are four marked positions (1, 2, 3, 4) indicating the potential positions of Star B. - **Celestial Sphere Rotation:** Arrows show the rotation direction of the celestial sphere around the observational horizon. By understanding the movement of stars on the celestial sphere and the rotational dynamics, students can predict the positions of celestial bodies at different times.
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