In which of these constellations does the current Pole Star, Polaris, lie?
- Ursa Minor
- Orion
- Ursa Major
- Corona Borealis
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Ursa Minor, or the 'Little Bear', is a relatively conspicuous constellation, visible from the latitudes 90 degrees North to 10 degrees South. It is 'circum-polar', i.e. always visible in the sky, above 20 degrees North latitude.
Where in the sky would the Pole Star appear to an observer situated on the North Pole?
- At a fixed point on the horizon
- Perpetually below the horizon and invisible
- It depends on the time of the year
- At the zenith (exactly overhead)
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The North Star or Pole Star is famous for holding nearly still in our sky while the entire northern sky moves around it. That's because it's located nearly at the north celestial pole
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.
Is the Constitution of India flexible or rigid?
- Rigid
- Flexible
- Both (a) and (b)
- None
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Indian Constitution is both a flexible and rigid form of constitution because in some cases it requires a simple majority of people for passing an amendment and in some cases, it requires the majority of people to pass the amendment.
Who is considered as the father of economics?
- Alfred Marshall
- Adam Smith
- David Ricardo
- Esther Duflo
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Adam Smith was an 18th-century Scottish philosopher. He is considered the father of modern economics. He published “The Wealth of Nations” in 1776.