5 Questions
According to the Big Bang theory, when did space and time emerge together?
13.787±0.020 billion years ago
What is the approximate diameter of the observable universe at the present day?
93 billion light-years
Who developed the heliocentric model with the Sun at the center of the Solar System?
Nicolaus Copernicus
What did Isaac Newton build upon in developing the law of universal gravitation?
Copernicus's work
What were some of the earliest cosmological models of the universe like?
Geocentric, placing Earth at the center
Study Notes
The Big Bang Theory
- Space and time emerged together approximately 13.8 billion years ago.
The Universe
- The observable universe has an approximate diameter of 93 billion light-years at the present day.
Heliocentric Model
- The heliocentric model, with the Sun at the center of the Solar System, was developed by Nicolaus Copernicus.
Law of Universal Gravitation
- Isaac Newton built upon the work of Galileo Galilei and Johannes Kepler in developing the law of universal gravitation.
Early Cosmological Models
- Some of the earliest cosmological models of the universe were geocentric, placing Earth at the center of the universe.
Test your knowledge about the universe and the Big Bang theory with this quiz! Explore the origins and expansion of the universe, planets, stars, galaxies, and more. Challenge yourself and become an expert in cosmology.
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