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.
What type of economy is followed in India?
- Traditional Economy: Economic system based on goods, services, and work, all of which follow certain established trends.
- Command Economy: A dominant centralized authority – usually the government – that controls a significant portion of the economic structure.
- Market Economy: Economic system based on the concept of free markets.
- Mixed Economy: Economic system that combine the characteristics of the market and command economic systems.
A mixed economic system is a system that combines aspects of both capitalism and socialism. This means that some industries are controlled by private businesses and individuals, while other industries are controlled by the government.
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."
__________ is the migration of health personnel in search of a better standard of living and quality of life, higher salaries, access to advanced technology, and more stable political conditions in different places worldwide.
- Immigration
- Emigration
- Brain Drain
- Mass Exodus
“Brain drain” is a term used to describe the large-scale migration of skilled human capital that causes a country to lose its innovative capabilities and limits its economic growth.
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.
