
The Sun rotates on its axis once in about 27 days. This rotation was first detected by observing the motion…

This artist’s concept shows the Euclid spacecraft. Image credit: ESA/C. Carreau

A magnetosphere is that area of space, around a planet, that is controlled by the planet’s magnetic field. The shape…

Technological infrastructure affected by space weather events include satellites, aircraft, and power grids.

Eleven years in the life of the Sun, spanning most of solar cycle 23, as it progressed from solar minimum…

A solar prominence (also known as a filament when viewed against the solar disk) is a large, bright feature extending…

The sun and its atmosphere consist of several zones or layers.

This is an artist’s concept of our Heliosphere as it travels through our galaxy with the major features labeled.

Diagram of the layers within Earth’s atmosphere.

A replica of NASA’s Curiosity Rover and members of the Mars Science Laboratory science team pass the Presidential viewing stand…