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.
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.
Who was the first temporary chairman of the Constituent Assembly?
- BN Rau
- Harendra Coomar Mookerjee
- Dr. Sachchidananda Sinha
- Dr. Rajendra Prasad
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Dr. Sachchidananda Sinha was appointed as the interim(temporary) chairman of the Constituent Assembly.
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
Which theory explains the origin of the universe?
- Geocentric Model
- Heliocentricity
- Big Bang Theory
- Pulsating Theory
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The Big Bang was 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded.