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GALEX

Galaxy Evolution Explorer

past Mission

Type

Space Telescope

Launch

April 28, 2003

Target

Universe

Objective

Measure the history of star formation by observing the universe in ultraviolet wavelengths

GALEX was an orbiting space telescope designed to observe the universe in ultraviolet wavelengths to measure the history of star formation.

Learn more about GALEX

GALEX Stories

Explore All GALEX (Galaxy Evolution Explorer) Stories
Image Article
1 min read

Galaxy Evolution Explorer Searches for Light

Article
8 min read

NASA’s First Stellar Observatory, OAO 2, Turns 50

Illustration of oao satellite
8 min read

NASA’s First Stellar Observatory, OAO 2, Turns 50

Article6 years ago
This simulation helps explain an odd light signal thought to be coming from a close-knit pair of merging black holes
1 min read

Intricate Dance of Black Holes

Article9 years ago
Intricate dance of black holes
5 min read

Funky Light Signal From Colliding Black Holes Explained

Article9 years ago
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James Webb Space Telescope

The image is divided horizontally by an undulating line between a cloudscape forming a nebula along the bottom portion and a comparatively clear upper portion. Speckled across both portions is a starfield, showing innumerable stars of many sizes. The smallest of these are small, distant, and faint points of light. The largest of these appear larger, closer, brighter, and more fully resolved with 8-point diffraction spikes. The upper portion of the image is blueish, and has wispy translucent cloud-like streaks rising from the nebula below. The orangish cloudy formation in the bottom half varies in density and ranges from translucent to opaque. The stars vary in color, the majority of which have a blue or orange hue. The cloud-like structure of the nebula contains ridges, peaks, and valleys – an appearance very similar to a mountain range. Three long diffraction spikes from the top right edge of the image suggest the presence of a large star just out of view.

Perseverance Rover

Parker Solar Probe

Juno