Transit of Venus, Sun-Earth Day 2012

National Aeronautics and Space Administration

Goddard Space Flight Center

Transit of Venus, Sun-Earth Day 2012

Mobile Apps

Space Weather Media Viewer

NASA Space Weather Media Viewer

Connects to near-real time views of the Sun from multiple NASA satellites: The app is free to download and is currently available for the iPhone, iPad and the Droid!

Venus Transit

Transit of Venus App

The Venus Transit phone app, will allow individuals to send their observations of the 2012 transit of Venus to a global experiment to measure the size of the solar system.

3D Sun

3D Sun

A major solar flare erupts on the sun. Before long, your phone chirps in your pocket to let you know! Pulling out your phone, you see a 3D view of the sun — a digital reconstruction of satellite images freshly downloaded from NASA's "STEREO" satellites, orbiting millions of miles away.

SWx Monitor

SWx Monitor

This application collectively shows various kinds of space weather information including solar and geophysical data. Solar images from satellites and ground observatories, geophysical data from various sources, space weather alerts and forecasts are summarized to be displayed. This application will be continuously updated in future. Stay tuned!

NASA Fact

A major solar 'superstorm' such as the one in 1859 could cost $30 billion a day to the US electrical power grid, and up to $70 billion to the satellite industry.