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2008 · Q89Science & TechnologySpace Technology & Astronomymoderate

What is the purpose of the US Space Agency's Themis Mission, which was recently in the news?

  1. (a)To study the possibility of life on Mars
  2. (b)To study the satellites of Saturn
  3. (c)To study the colourful display of high latitude skies
  4. (d)To build a space laboratory to study the stellar explosions
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Official answer(c) To study the colourful display of high latitude skies

2026 · Q71Science & TechnologySpace Technology & Astronomymoderate

Consider the following statements with regard to involvement of private entities in India’s space programme : 1. The Indian National Space Promotion and Authorisation Centre (IN-SPACe) is an autonomous agency formed to facilitate participation of private entities. 2. Agnikul Cosmos launched the world’s first flight using 3D-printed rocket engine. 3. Skyroot Aerospace has developed liquid fuel for GSLV. Which of the statements given above is/are correct ?

  1. (a)1 only
  2. (b)2 and 3 only
  3. (c)1 and 2 only
  4. (d)1, 2 and 3
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Official answer(c) 1 and 2 only

2025 · Q94Science & TechnologySpace Technology & Astronomymoderate

GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN? I. It is designed to provide additional accuracy and integrity. II. It will allow more uniform and high quality air traffic management. III. It will provide benefits only in aviation but not in other modes of transportation. Select the correct answer using the code given below.

  1. (a)I, II and III
  2. (b)II and III only
  3. (c)I only
  4. (d)I and II only
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Official answer(d) I and II only

2024 · Q32Science & TechnologySpace Technology & Astronomymoderate

Consider the following statements : Statement-I : Giant stars live much longer than dwarf stars. Statement-II : Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one of the following is correct in respect of the above statements ?

  1. (a)Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
  2. (b)Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
  3. (c)Statement-I is correct, but Statement-II is incorrect
  4. (d)Statement-I is incorrect, but Statement-II is correct
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Official answer(d) Statement-I is incorrect, but Statement-II is correct

2022 · Q40Science & TechnologySpace Technology & Astronomymoderate

If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth ? 1. GPS and navigation systems could fail. 2. Tsunamis could occur at equatorial regions. 3. Power grids could be damaged. 4. Intense auroras could occur over much of the Earth. 5. Forest fires could take place over much of the planet. 6. Orbits of the satellites could be disturbed. 7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted. Select the correct answer using the code given below :

  1. (a)1, 2, 4 and 5 only
  2. (b)2, 3, 5, 6 and 7 only
  3. (c)1, 3, 4, 6 and 7 only
  4. (d)1, 2, 3, 4, 5, 6 and 7
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Official answer(c) 1, 3, 4, 6 and 7 only