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
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
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
Dr. Sachchidananda Sinha was appointed as the interim(temporary) chairman of the Constituent Assembly.
By whom and when did the idea of a constituent assembly was first proposed
- Dr. Sachinand Sinha, 1949
- Dr. Rajendra Prasad, 1949
- Dr. B.R Ambedkar, 1946
- M.N. Roy, 1934
The idea of a constituent assembly was first proposed in 1934 by M.N. Roy. However, the actual constituent assembly was formed in 1946 on the basis of the cabinet mission plan.
What is the pulsating theory of the universe?
- A cosmological model that combines both the Big Bang and the Big Crunch as part of a cyclical event
- An expansion and contraction of the star as a whole in a regular periodic pulsation
- All the matter of the universe was present in a single place in the form of hot and dense fireball
- Counting of the galaxies is constant and new galaxies which are forming continuously are filling the empty spaces
Sir J.C. Bose proposed a theory of the ascent of sap known as the pulsation theory. The Pulsating Universe Theory says that the universe follows self-sustaining cycles such as expanding and contrasting.