• Welcome
  • Community
  • Blogs
  • Photos
  • Videos
  • Join
  • Log in
Follow MNN    
MNN - Mother Nature Network - Envrionmental News
improve your world

 

Friday, May 25, 2012
  • Earth Matters

    Browse All » Animals Weather Energy Politics Space Translating Uncle Sam Wilderness & Resources

  • Health

    Browse All » Allergies Fitness & Well-Being Healthy Spaces

  • Lifestyle

    Browse All » Arts & Culture Travel Natural Beauty & Fashion Recycling Responsible Living

  • GREEN TECH

    Browse All » Computers Gadgets & Electronics Research & Innovations Transportation

  • Eco-Biz & Money

    Browse All » Green Workplace Personal Finance Sustainable Business Practices

  • Food & Drink

    Browse All » Beverages Healthy Eating Recipes

  • Your Home

    Browse All » At Home Organic Farming & Gardening Remodeling & Design

  • family

    Browse All » Babies & Pregnancy Family Activities Pets Protection & Safety

Tweet
Pin It
Email Bookmark and ShareShare
WorldShares lets you earn donations for your favorite nonprofit. Earn up to 20 points now.
Learn More

Earn Points
What's this?
MNN.COM›

MNN BLOGGERS

Shea Gunther

Bortle Light Pollution Scale

The Bortle Light Pollution Scale is a good model for understanding how tainted our night skies are by light pollution.

Thu, Sep 15 2011 at 5:29 PM EST

Photo credit:Steven W/Flickr
Far too many people have no idea what a good night sky looks like. Our vision of the universe is spoiled by the effects of light pollution. The streetlights, headlights, and neon lights of modern life work together to blot out the stars, planets, and gas clouds of the Milky Way. This graphic showing the from Stellarium.org, the free open source planetarium, is a great way to see how degraded our view of the night sky can get by light pollution.
 
The Bortle light pollution scale.
 
Stellarium is incorporating a light pollution simulation into the latest version of the planetarium program. Swing by, download it, and try it out.
 
 
Are you on Twitter? Follow me (@sheagunther) there, I give good tweets.
 
And if you really like my writing, you can join my Facebook page.
 
Previous Post
Thar she blows! Sewer geyser wrecks parked car
   Next Post
Marc Gunther: Keeping watch on the business of green
You might also like:
Related Topics: Light Pollution, Science, Space

Comments

Follow this conversation
Add your comment
View:
  • All (0)

Add your comment

Sign in with one of these accounts or just add your comment below.
    Log in or
    create an account
     
    •  
Used only for emailed comments and will not be displayed with your post
Notify me with an email when other people comment on this article.
The posting of advertisement, profanity or personal attacks is prohibited.
Click here to review our Terms of Use

EDITORS' PICKS

tease to asteroids

tease to pet facials

tease to emotional eating

ADVERTISEMENT

NEWSLETTER

Mother Nature. Delivered

CONNECT WITH MNN

Follow @twitterapi
 Tumblr
 Google +

About Shea Gunther

Eco-entrepreneur on politics, energy and Earth's resources.

RSS feedMore about Shea

Recent Posts

  • Hawaii bans plastic bags
  • Spring Back Recycling: Saving mattresses from being thrown away while creating jobs
  • Combat juggling: Nerdiest sport ever?
+ Add this to my site

Shea's BLOGROLL

EcorazziEco-Chick
WorldChangingTreehugger
GroovyGreenTriple Pundit
Green DigGreen LA girl
Jetson GreenEcoGeek
Marc GuntherEarth2Tech
Twlight EarthMax Gladwell

ADVERTISEMENT



Quick Links

  • About Us
  • Advisory Board
  • Editors' Blog
  • Press
  • Privacy
  • Sitemap
  • Terms of Service
  • WorldShares

MNN Tools

  • Advice
  • Blogs
  • Day in History
  • Eco-glossary
  • Infographics
  • Lists
  • Photos
  • Videos

Connect

  • Community
  • Contact Us
  • Contests
  • Idea Lab
  • Mixed Greens
  • Newsletters
  • Polls
  • RSS

Channels

  • Earth Matters
  • Health
  • Lifestyle
  • Green Tech
  • Eco-Biz & Money
  • Your Home
  • Family
  • State Reports

Follow MNN

  • Facebook
  • Twitter
  • Pinterest
  • Tumblr
  • Google+
  • StumbleUpon
 

Copyright © 2012 MNN Holdings, LLC. All Rights Reserved. Website by GLICK INTERACTIVE | Powered by CIRRACORE
 
SPONSORS