Subscribe Now! National Geographic Magazine $15
Home
Animals
Daily News
Environment
Games
Green Guide
History
Kids
Maps
Music
Photography
Science & Space
Travel & Cultures
Video
National Geographic Channel
Magazines
National Geographic
Traveler
Adventure
Shop
Subscriptions
TV & Film
Travel With Us
Our Mission
Visit our Online Shops
Books & Atlases
Clothing & Accessories
DVDs
Maps
Catalog Quick Shop

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Sign up

Pioneer Venus Orbiter Image
Photo: Ultraviolet image of Venus
WALLPAPER
The Pioneer Venus orbiter snapped this ultraviolet image of Venus in 1979. The planet's atmosphere consists mainly of carbon dioxide. Only trace amounts of water are present.
Photograph courtesy NASA

Related Photo Galleries
Photo: Mars

Photo Gallery: Mars

Photo: Saturn and its rings

Photo Gallery: Saturn

Photo: The Earth as seen by the Apollo 17 in 1972

Photo Gallery: Earth

Photo: Neptune's Great Dark Spot

Photo Gallery: Neptune

Photo: Loop on the sun

Photo Gallery: Sun

Photo: Artful rearrangement of the solar system

Photo Gallery: Solar System

Space Topics

SPECIAL ADVERTISING SECTION
Photo: 2009 Winner

Photo Contest

Find out who takes home the Grand Prize!

View Gallery
Photo: Glass of water

Take Quiz

Test your water knowledge.

Learn More

Natural Disasters
Photo: A tornado

Get the science behind avalanches, tsunamis, and more.

Go Now

Support Conservation
Photo: Two penguins

Help conserve the world's natural resources.

Learn More