Who proposed the theory of the expanding universe?
- Georges Lemaitre
- Galileo Galilei
- Edwin Hubble
- Claudius Ptolemy
×
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.
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
×
'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.
In which of these constellations does the current Pole Star, Polaris, lie?
- Ursa Minor
- Orion
- Ursa Major
- Corona Borealis
×
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.
Which one is not the Component of the Preamble?
- Sovereign
- Secular
- Hostility
- Democratic Republic
×
The preamble declares India to be a sovereign, socialist, secular, and democratic republic. The objectives stated by the Preamble are to secure justice, liberty, and equality for all citizens and promote fraternity to maintain the unity and integrity of the nation.
Name the branch of astronomy that involves the origin and evolution of the universe.
- Cosmology
- Meteorology
- Petrology
- Orology
×
Cosmology is "the scientific study of the large-scale properties of the universe as a whole."
