Image of the Week (#HubbleFriday)

A spiral galaxy seen almost face-on. Large spiral arms whirl out from its center, filling the scene. They glow faintly blue from the stars within, with some small bright patches of blue and pink marking areas of star formation. Thin filaments of dark reddish dust that block light overlay the stars. The galaxy’s center shines brightly white.

Hubble Measures the Distance to a Supernova

3 min read

Measuring the distance to truly remote objects like galaxies, quasars, and galaxy clusters is a crucial task in astrophysics, particularly…

Article2 days ago
The bright-white, diffuse glow of an elliptical galaxy sits at image center. The galaxy's core appears as an intense-white circle that gets more diffuse as you move outward from the core. A rusty-red, diffuse cloud is visible to the upper-left of the galaxy. It extends to the upper-left corner of the image, where it is very faint. Black background dotted with foreground stars and distant galaxies.

Hubble Examines an Active Galaxy Near the Lion’s Heart

2 min read

It might appear featureless and unexciting at first glance, but NASA/ESA Hubble Space Telescope observations of this elliptical galaxy —…

Article2 weeks ago
Clouds of gas and dust with many stars. The clouds form a flat, blue background toward the bottom, and become thicker and smokier toward the top. Stars on one side light the nebula. A thick arc of gas and dust reaches around from the bottom-right corner of the image toward the top-left corner. It begins as a dark and obscuring cloud at bottom right and gradually becomes brightly lit by many stars at the upper left. Other large, foreground stars lie between the nebula and the viewer.

Hubble Captures Infant Stars Transforming a Nebula

2 min read

This NASA/ESA Hubble Space Telescope image presents a visually striking collection of interstellar gas and dust. Named RCW 7, the…

Article3 weeks ago
A globular cluster that looks like a very dense, ball-shaped collection of many shining stars in colors of white, yellow-orange, and blue. Some stars appear a bit larger and brighter than others, with the brightest having faint cross-shaped diffraction spikes. The cluster’s stars are scattered mostly uniformly, with their density increasing toward the cluster’s core where they merge into a strong, bright-white glow.

Hubble Observes a Cosmic Fossil

2 min read

This NASA/ESA Hubble Space Telescope image features the globular cluster NGC 2005. It’s not an unusual globular cluster in and…

Article1 month ago
A barred spiral galaxy seen face-on. Its many arms and distinct, glowing, bar-shaped core are easily visible. The galaxy’s arms hold bluish patches of older stars, pink patches where new stars are forming, and dark threads of dust. A few bright stars with cross-shaped diffraction spikes lie between us and the galaxy and are visible in the foreground.

Hubble Examines a Barred Spiral’s Light

2 min read

This NASA/ESA Hubble Space Telescope image features the barred spiral galaxy NGC 3059, which lies about 57 million light-years from…

Article1 month ago
A close-in view of a barred spiral galaxy. The bright, glowing bar crosses the center of the galaxy, with spiral arms curving away from the bar’s ends and continuing out of view. Bright patches of light where stars are forming surround the bar, which also holds dark lines of dust. The galaxy’s clouds of gas spread out from its arms and bar, giving way to a dark background with some foreground stars and small, distant galaxies.

Hubble Views the Lights of a Galactic Bar

2 min read

This new image from the NASA/ESA Hubble Space Telescope shows the broad and sweeping spiral galaxy NGC 4731. It lies…

Article1 month ago


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Image taken of the 1990 deployment of the Hubble Space Telescope. Hubble, bright and silver, reflects the Earth below, on either side of Hubble there are two golden solar arrays. At the bottom of the picture you can see the body of the Space Shuttle Discovery as well as the grapple arm letting go of Hubble.
Space Shuttle Discovery’s robotic arm deploys Hubble on April 25, 1990.