Name the branch of astronomy that involves the origin and evolution of the universe.
- Cosmology
- Meteorology
- Petrology
- Orology
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Cosmology is "the scientific study of the large-scale properties of the universe as a whole."
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.
How do we consider a Constitution rigid or flexible?
- Based upon the provisions made for its amendment
- Based upon Constitutional Supremacy
- Based upon Parliamentary Supremacy
- Based upon Judicial Review
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On the basis of amendments, a constitution can be classified into the categories of rigid and flexible. A rigid constitution is one that can't be amended easily, i.e., the US Constitution. A flexible constitution is one that can be amended easily, i.e., Britain.
What Are Constellations?
- A group of stars that appears to form a pattern or picture
- Small chunks of ice and rock come from the outer edge of the solar system
- Collection of billions of stars
- Small irregularly shaped rocks made up of metal or minerals
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A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline.
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.
