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Grade 10 · Astronomy & space

Grade 10 Astronomy & space practice

20 questions on space science, astronomical light. The answer key is a separate download.

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  1. A probe is 47300000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  2. A probe is 1400000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  3. A probe is 18700000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  4. A model blackbody has temperature 3700 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  5. A probe is 30500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  6. A probe is 33500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  7. A model blackbody has temperature 12200 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  8. A probe is 7300000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  9. A model blackbody has temperature 11900 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  10. A probe is 28700000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  11. A model blackbody has temperature 11500 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  12. A probe is 37500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  13. A probe is 28300000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  14. A probe is 1500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  15. A probe is 14400000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  16. A probe is 26000000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  17. A model blackbody has temperature 15700 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  18. A probe is 31500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  19. A probe is 400000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  20. A probe is 3900000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

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