Who proposed the steady-state theory?
- Hermann Bondi
- Thomas Gold
- Sir James Jeans
- Fred Hoyle
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The steady-state theory was first proposed by Sir James Jeans in the 1920s, but it was reformulated by Fred Hoyle, Thomas Gold, and Hermann Bondi in 1948.
What does republic mean in the Indian Constitution?
- India is a Union of States
- The head of state is elected by people
- People have final authority in all the matters
- India has parliamentary system of government
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'Republic' is a State in which supreme power is held by the people and their elected representatives. It has an elected head of state rather than a monarch.
Who proposed the theory of the expanding universe?
- Georges Lemaitre
- Galileo Galilei
- Edwin Hubble
- Claudius Ptolemy
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American astronomer Edwin Hubble discovered in the 1920s that the Universe is expanding by showing that most galaxies are receding from the Milky Way and the farther away they are, the faster they are receding.
How many articles, parts, and schedules are in the Indian constitution?
- 395 Articles, 22 Parts, and 8 Schedules
- 395 Articles, 22 Parts, and 12 Schedules
- 385 Articles, 22 Parts, and 8 Schedules
- 385 Articles, 22 Parts, and 12 Schedules
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At its enactment, it had 395 articles in 22 parts and 8 schedules. At about 145,000 words, it is the second-longest active constitution—after the Constitution of Alabama—in the world.
Why does a star produce its own light and heat?
- Nuclear fission
- Nuclear fusion
- Chemical reaction
- None
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Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.