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GALEX

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description GALEX Overview

GALEX (Galaxy Evolution Explorer) was a NASA space telescope designed to observe the sky in ultraviolet wavelengths. Launched in April 2003 aboard a Pegasus XL rocket, it conducted an all-sky survey and targeted observations to study star formation rates and galaxy evolution across cosmic time. The mission was decommissioned in 2013 after completing its primary survey programs and several extended observation campaigns.

help GALEX FAQ

What was the primary purpose of NASA's GALEX space mission?

GALEX (Galaxy Evolution Explorer) was a NASA space telescope designed to observe the sky exclusively in ultraviolet wavelengths. Its primary mission was to conduct an all-sky survey to study star formation rates and galaxy evolution across billions of years.

When was the GALEX telescope launched?

The GALEX space telescope was successfully launched in April 2003. It was placed into Earth orbit aboard an Orbital Sciences Pegasus XL rocket.

Who operated the GALEX mission after NASA's funding ended?

After NASA's prime mission funding ended, the GALEX mission was transitioned to the California Institute of Technology (Caltech). Caltech operated the telescope from 2010 to 2013 using private funding before the mission was officially decommissioned.

What astronomical discoveries did GALEX make?

By observing ultraviolet light, GALEX discovered thousands of previously unknown galaxies and captured stunning images of star formation. It also observed a star devouring a planet and provided crucial data on how the Milky Way galaxy formed.

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