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A 11 4 121 2 3. 3 Telescope view 10" B 4 If the above is the telescope view seen in January, and the stars are at the distances shown, which view below shows the stars as they will appear in June, taking into account parallax? 2 0.1 3. N ♡ с 1 10 4 100 1000 10000 Distance from Earth (pc) 1 2 D 11 12 13

A 11 4 121 2 3. 3 Telescope view 10" B 4 If the above is the telescope view seen in January, and the stars are at the distances shown, which view below shows the stars as they will appear in June, taking into account parallax? 2 0.1 3. N ♡ с 1 10 4 100 1000 10000 Distance from Earth (pc) 1 2 D 11 12 13

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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**Educational Astronomy Exercise: Understanding Stellar Parallax** ### Telescope View and Parallax In the diagram above, we explore how the stars appear to shift in the night sky due to Earth's motion around the Sun—a phenomenon known as parallax. #### January Telescope View The main circular grid, labeled "Telescope view," shows the positions of four stars as seen from Earth in January. The stars are marked as 1, 2, 3, and 4. #### Stellar Distances A graph accompanies the telescope view, showing the distances of these stars from Earth. The x-axis is labeled "Distance from Earth (pc)" and ranges logarithmically from 0.1 to 10,000 parsecs (pc). - Star 2 is the nearest, at just over 1 pc. - Star 3 is slightly farther, around 1 pc. - Star 4 is at a distance of about 1,000 pc. - Star 1 is the farthest, near 10,000 pc. ### June Telescope Views: Accounting for Parallax We are tasked with determining which of the four views labeled A, B, C, and D depicts the stars' new positions in June, accounting for parallax. - **Option A:** Stars have shifted positions, possibly showing expected parallax effects. - **Option B:** The positions are altered differently. - **Option C:** Offers another shift, potentially more subtle. - **Option D:** Displays another configuration. ### The Parallax Effect Stars closer to Earth will appear to shift more significantly against the background of more distant stars due to parallax. Therefore, stars 2 and 3 should exhibit noticeable movement compared to stars 1 and 4, which should appear relatively static. **Exercise Question:** Given this information, which view (A, B, C, or D) correctly shows the appearance of the stars in June after considering parallax effects? - **C.** - **B.** - **D.** - **A.** Assess the views and make your selection based on the principles of stellar parallax!
Transcribed Image Text:**Educational Astronomy Exercise: Understanding Stellar Parallax** ### Telescope View and Parallax In the diagram above, we explore how the stars appear to shift in the night sky due to Earth's motion around the Sun—a phenomenon known as parallax. #### January Telescope View The main circular grid, labeled "Telescope view," shows the positions of four stars as seen from Earth in January. The stars are marked as 1, 2, 3, and 4. #### Stellar Distances A graph accompanies the telescope view, showing the distances of these stars from Earth. The x-axis is labeled "Distance from Earth (pc)" and ranges logarithmically from 0.1 to 10,000 parsecs (pc). - Star 2 is the nearest, at just over 1 pc. - Star 3 is slightly farther, around 1 pc. - Star 4 is at a distance of about 1,000 pc. - Star 1 is the farthest, near 10,000 pc. ### June Telescope Views: Accounting for Parallax We are tasked with determining which of the four views labeled A, B, C, and D depicts the stars' new positions in June, accounting for parallax. - **Option A:** Stars have shifted positions, possibly showing expected parallax effects. - **Option B:** The positions are altered differently. - **Option C:** Offers another shift, potentially more subtle. - **Option D:** Displays another configuration. ### The Parallax Effect Stars closer to Earth will appear to shift more significantly against the background of more distant stars due to parallax. Therefore, stars 2 and 3 should exhibit noticeable movement compared to stars 1 and 4, which should appear relatively static. **Exercise Question:** Given this information, which view (A, B, C, or D) correctly shows the appearance of the stars in June after considering parallax effects? - **C.** - **B.** - **D.** - **A.** Assess the views and make your selection based on the principles of stellar parallax!
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