NASA Logo, National Aeronautics and Space Administration

National Aeronautics and Space Administration

Goddard Space Flight Center

Follow this link to skip to the main content

Imagine the Universe!
  • Home
  • Science
    • Astronomer's Toolbox
    • Cosmic Objects
    • Big Questions
    • How Scientists Get Data
    • Featured Science
  • Special Exhibits
    1. Satellites
    2. Scientist Profiles
    3. You Be the Astrophysicist
    4. The Cosmic Distance Scale
  • Educators' Corner
    • Lesson Plans
    • Materials
    • Programs
  • Ask an Astrophysicist
  • Resources
    • Other Resources
    • Dictionary
  • Feedback

The Cosmic Distance Scale

The Cosmic Distance Scale

The Cosmic Distance Scale

The Milky Way

Image of galaxy that looks much like the Milky Way. The Milkyway is approximately 925,000,000,000,000,000 kilometers in diameter.

Zoom Out — Zoom In

Tell Me About the Milky Way!

 

A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

NASA Logo, National Aeronautics and Space Administration
Goddard
  • The Imagine Team
  • Project Leader: Dr. Barbara Mattson
  • Web Curator: J.D. Myers
  • Responsible NASA Official : Phil Newman
  • Privacy Policy & Important Notices
  • Useful plugins
  • Contact Us
  • Page Last Updated: 24-Aug-2015