Transit of Venus, Sun-Earth Day 2012

National Aeronautics and Space Administration

Goddard Space Flight Center

Transit of Venus, Sun-Earth Day 2012

Featured Multimedia

Sun-Earth Day Videos

Sun-Earth Day Videos

Sun-Earth Day now has its own YouTube channel, don't forget to subscribe!

Space Weather Media Viewer

Space Weather Media Viewer

This Flash-based viewer allows you to view real-time NASA satellite images of the Sun and the Earth. Near real-time images from a variety of NASA satellites and ground-based observatories are presented. Enjoy zooming and panning the images! A scale tool with the size of the Earth is also presented with the solar images.

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Audio Podcasts

The Sun-Earth Day team will keep you updated and informed with the latest news and events through the Sun-Earth Day podcasts subcription.

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Traditions of the Sun

This new experiential Web site lets you explore Chaco Canyon and the Yucatan to learn about NASA research on the Sun and solar practices within a larger historical and cultural context.

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Sun Watchers Through Time - Interactive Timeline

Take a solar walk through time with this Flash-based Interactive Timeline.

NASA Fact

The August 4, 1972 solar flare was so powerful that, by some estimates, a spacesuited astronaut would have received a lethal does of radiation.