List of Various Distances and Lengths

This section lists various distances and lengths to give us a sense of scale about space.

The list below provides some reference distances and lengths to give us a sense of scale about space:

        8.6 ly - Distance to star Sirius
        4.2 ly - Distance to Proxima Centauri, a nearest star
149,597,870 km - Average distance from Earth to Sun
  4,366,813 km - Circumference of Sun
  1,392,684 km - Diameter of Sun
    384,403 km - Average distance to Moon
     40,008 km - Length of the equator of Earth
     12,742 km - Average diameter of Earth
      3,475 km - Diameter of Moon
       8.85 km - Height of Mount Everest
        930  m - Height of the world's tallest building in Dubai
        105  m - Length of a soccer field
          3  m - Average wavelength of FM radio waves
       12.2 cm - Wavelength of microwaves in a microwave oven
      24.26 mm - Diameter a US Quarter
        0.2 mm - Diameter of horsehair
        680 nm - Wavelength of red light
        260 nm - Length of the smallest transistor in Pentium 3 chip
         17 nm - Diameter of a smallest viruses Porcine circovirus
         10 pm - Wavelength of gamma rays
        2.2 fm - Diameter of neutron
          1 fm - Diameter of proton

Last update: 2014.

Table of Contents

 About This Book

Introduction of Space

 What Is Space?

 What Is Distance?

 Meter Based on Earth's Meridian

 Meter Based on Seconds Pendulum

 Meter Prefixes and Other Units

List of Various Distances and Lengths

 Introducion of Frame of Reference

 Introducion of Time

 Introduction of Speed

 Newton's Laws of Motion

 Introduction of Special Relativity

 Time Dilation in Special Relativity

 Length Contraction in Special Relativity

 The Relativity of Simultaneity

 Introduction of Spacetime

 Minkowski Spacetime and Diagrams


 PDF Printing Version