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Hubble’s Tools and Parts

Senator Barbara Mikulski examines one of the training power tools used by astronauts to prepare for the five space walks that took place during the fifth and final servicing mission to the Hubble Space Telescope during the STS-125 mission. Dr. Ed Weiler (near right) is the Associate Administrator for the Science Mission Directorate at NASA Headquarters. Astronaut Paul Richards (far right) helped design some of the power tools used by the STS-125 crew.

Credit: NASA/Pat Izzo

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Last Updated
Apr 17, 2023
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NASA Hubble Mission Team

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The top-left half of the image is a Hubble Space Telescope view of a 100-billion-mile-wide disk of dust around the summer star Vega. The disk is represented in blue. The color trails to white as we get closer to the center of the disk. The black spot at the center blocks out the bright glow of the hot young star. The disk is perfectly circular because we are looking down on top of it. The lower-right half of the image is a view from the James Webb Space Telescope, which reveals the glow of warm dust in the disk's halo that is colored orange. The disk is brighter toward the center. There is a notable dip in surface brightness between the inner and outer disk.
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A spiral galaxy with a disk that glows visibly from the center. It has faint dust threaded through it. A spiral arm curves around the left edge of the disk and is noticeably denser with bright blue spots that hold hot and new stars. On the opposite side, the disk stretches out into a short tail where it covers a distant background galaxy. Other distant galaxies and some nearby stars are visible are also visible in this image.
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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.

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