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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
A cycle that involves all 4 spheres	Carbon Cycle
The Earth's four subsystems	Geosphere, Hydrosphere, Atmosphere, Biosphere
The Earth's four subsystems	Geosphere, Hydrosphere, Atmosphere, Biosphere
Age of the Universe	13.8 Ga(13.8 billion years)
Religious narrative that describes the universe being formed in 6 days	Genesis/Hebrew Bible/Old Testament
Religious Narrative that describes an oscillating universe where all celestial objects expanded out of a Brahmanda(cosmic egg) from a concentrated point called Bindu.	Rigveda
an Athenian philosopher who maintained that everything is composed of very small particles that were arranged by some eternal intelligence (500-428 BC)(Primordial Universe Theory)	Anaxagoras
Creators of the Atomic Universe Theory	Leucippus and Democritus
Geocentric Universe	Aristotle and Ptolemy
Heliocentrism	Nicolaus Copernicus
Static, steady state, infinite universe	Isaac Newton and then Albert Einstein
Why is the Big Bang theory the leading theory on the origin of the universe	Redshift and Cosmic Microwave Background
The model Albert Einstein assumed after rejecting his original model	Oscillating Universe(The universe is curved and cyclic)
Proposed by astronomers Fred Hoyle, Thomas Gold and Herman Bondi	Steady State Theory(The universe expands but does not change density)
Alan Guth proposed what model of the universe?	Inflationary Universe(A variation of the standard big bang model that accounts for horizon and flatness problems)
Andrei Linde proposed what model?	Multiverse
The three main models on the origin of the solar system	Encounter Hypothesis, Nebular Hypothesis and Protoplanet Hypothesis
The Earth's four subsystems	Geosphere, Hydrosphere, Atmosphere, Biosphere
Belgian priest to whom the big bang theory is accredited to	Georges Lemaître
A cycle that involves all 4 spheres	Carbon Cycle