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.
Big bang theory was proposed by
- Georges Lemaitre
- Hermann Bondi
- Thomas Gold
- Hoyle
Georges Lemaitre was a Belgian cosmologist, Catholic priest, and father of the Big Bang theory.
Which theory explains the origin of the universe?
- Geocentric Model
- Heliocentricity
- Big Bang Theory
- Pulsating Theory
The Big Bang was 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded.
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.
_______ is the study of the behavior of individuals and firms in making decisions such as consumers, resource owners, and firms.
- Macroeconomics
- Neo-classical economics
- Microeconomics
- Monetarist economics
Microeconomics is the study of the behavior of individuals and firms in making decisions such as consumers, resource owners, and firms.
