Sky Survey Data Analysis — MCQs

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1. Which famous survey produced a 3D map of the universe with millions of galaxies?





2. The Gaia mission primarily focuses on:





3. Sky surveys mainly collect data in which form?





4. Which technique is used to classify stars and galaxies in survey data?





5. The LSST (now called the Vera Rubin Observatory) specializes in:





6. Which type of survey measures stellar positions and motions?





7. Which survey was crucial in discovering quasars?





8. The Two Micron All-Sky Survey (2MASS) collected data mainly in:





9. What is a photometric redshift used for in surveys?





10. Which method is used to handle the huge volume of sky survey data?





11. Which survey provided the most detailed cosmic microwave background map?





12. Which survey contributed significantly to dark energy studies?





13. In sky survey data, a “light curve” represents:





14. The Kepler mission generated survey data mainly for:





15. What is data cross-matching in surveys?





16. What role does spectroscopy play in sky surveys?





17. The Hubble Source Catalog is an example of:





18. What is data mining in sky surveys?





19. Why is calibration important in survey data?





20. Which survey is focused on X-ray astronomy?





21. What does time-domain survey data study?





22. Which statistical method is often used in survey data analysis?





23. Why are machine learning algorithms important in surveys?





24. The Pan-STARRS survey contributed to the discovery of:





25. What is the role of catalogs in sky surveys?





26. What does a spectroscopic survey provide that photometric surveys do not?





27. The Hipparcos mission focused on:





28. Which survey technique is used to discover asteroids and near-Earth objects?





29. Which unit is commonly derived from survey data for brightness?





30. Which software tool is widely used for survey data visualization?





31. The DES (Dark Energy Survey) focused on:





32. What is a selection effect in survey data?





33. Which sky survey catalog contains billions of stars?





34. Which field combines astronomy with computer science for surveys?





35. What is the purpose of stacking images in surveys?





36. Which survey is designed for mapping radio sources?





37. Which data type is essential in identifying variable stars?





38. What does “pipeline processing” mean in surveys?





39. The Hubble Deep Field image is an example of:





40. Which type of survey is used for mapping hydrogen gas in galaxies?





41. What is the challenge of big sky survey data?





42. The term “data cube” in surveys refers to:





43. Which survey discovered most known exoplanets before TESS?





44. Which algorithm is commonly used to detect objects in survey images?





45. The TESS mission continues the work of:





46. Which statistical plot is useful for survey star classification?





47. Which survey mapped the entire sky in gamma rays?





48. Cross-correlation of survey data helps in:





49. Which modern approach improves accuracy of survey classifications?





50. What is the ultimate purpose of sky survey data analysis?





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