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Sunspots are

A. undulations on the solar surface

B. huge magnetic storms on the solar surface

C. places with adequate sunshine

D. places of tourist importance

Related Questions

  1. A family or system of millions and millions of stars are called ____.
  2. If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the \
  3. The rate of rotation of the Earth on its axis is the highest on which of the following date?
  4. What is the difference between a lake and a tank?
  5. In which of the following planets, the Great Red Spot has been the special feature?
  6. How much time (approximately) does the light from the nearest star to the Sun take in reaching the earth?
  7. Equatorial circumference of the Earth is
  8. What part of the moon's surface is never visible from the earth?
  9. How many degrees north and south are the Tropics?
  10. A celestial body having its own heat and light is called
  11. When the earth is at its minimum distance from the Sun, it is said to be
  12. Nearest star to the earth is _____.
  13. Orion and Great Bear stand for ______.
  14. On which date is the Earth in 'perihelion'?
  15. Brightest planet of our Solar System is _____.
  16. If the Sun dies It will be transformed Into a
  17. What do you call a narrow neck oC land that connects two larger landmasses?
  18. When the earth is at its maximum distance from the Sun it is said to be in
  19. Which one of the following stars is nearest to the Earth?
  20. Which of the following is 'the cruel planet' in Indian astrology?
  21. Equatorial diameter of the Earth is __.
  22. A celestial body which revolves round the Sun and receives heat and light from it is called _____.
  23. Outside Antarctica, which is the deepest part of the earth?
  24. Which of the following statements best describes longitudes?
  25. How much Is the average distance of the Sun from the Earth?
  26. What is the temperature of the sun estimated at approximately?
  27. Speed of the revolution of the earth is___'
  28. The time period elapsing between one New Moon and the next is approximately
  29. What is a 'synodic month'?
  30. Which of the following is known as the Cold Planet?

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