ELS Module 1

Study Notes

Universe Expansion and Evolution

The universe has undergone significant expansion and evolution since the Big Bang, leading to the vast cosmos we observe today.
Ongoing research addresses unresolved issues within the Big Bang Theory, including cosmic inflation and the distribution of matter.

Cosmic Microwave Background (CMB)

The CMB is the remnant radiation from the early universe, providing crucial evidence supporting the Big Bang Theory.
It serves as a snapshot of the universe approximately 380,000 years after the Big Bang, offering insights into its temperature fluctuations and composition.

Vibrating Strings and String Theory

String theory posits that fundamental particles are not zero-dimensional points but rather one-dimensional strings that vibrate at specific frequencies.
This framework aims to reconcile quantum mechanics and general relativity, suggesting the existence of additional dimensions beyond our observable universe.

Hyper Dimensional Branes

Branes are multidimensional objects within string theory, extending the concept of strings and adding complexity to the theoretical landscape.
These structures suggest that our universe could be a 3-dimensional brane within a higher-dimensional space.

Discovery of the First Known Asteroid

The first asteroid, Ceres, was discovered in 1801, marking a significant milestone in the study of celestial bodies.
Asteroids are classified as small, rocky objects that orbit the Sun, predominantly found in the asteroid belt between Mars and Jupiter.

Characteristics of Asteroids

Composed mainly of rock and metal, asteroids can vary in size from meters to hundreds of kilometers in diameter.
Some asteroids contain ice, and frozen gas, which could provide vital resources for future space exploration.

The Role of Asteroids in the Solar System

Asteroids are considered debris or remnants from the early solar system, representing the building blocks that did not coalesce into planets.
Their study provides insights into the conditions and processes during the formation of the solar system.

IAU Classification of Asteroids (2006)

The International Astronomical Union (IAU) established formal classifications for asteroids in 2006, providing a standardized method for categorizing these celestial bodies.
This classification system helps astronomers communicate about asteroids and understand their properties and trajectories.

Description

Test your knowledge about leading experts in the field of cosmology. This quiz covers significant contributions, theories, and discoveries made by renowned cosmologists throughout history. Challenge yourself and see how much you know about these influential figures in understanding the universe.