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2 Min Read Metrics Services Catalog

Click here to view the FY25 Services Catalog

The catalogs provide service description, chargeback rate, unit of measure, and service level indicators for each NSSC service.

Service Level Agreement (SLA)

Click here to view the Service Level Agreement

The SLA provides information about roles, responsibilities, rates, and service level indicators for all NASA Centers. The SLA is negotiated on an annual basis in line with the fiscal year. A single SLA is shared by all NASA Centers and signed by the Associate Administrator, Chief Financial Officer, Chief Information Officer, and the Office of Inspector General. The SLA provides for the delivery of specific services from the NSSC to NASA Centers and Headquarters Operations in the areas of:

• Financial Management
• Procurement
• Human Resources
• Information Technology
• Agency Business Services

NSSC Bill (Formerly know as Performance and Utilization Report (PUR))

*** On-Line Course Management and Training Purchases have been realigned to the OLC &Training Purchases section of the bill in accordance with the realignment of training funds. Center Special Projects have been consolidated into one Special Projects bill with the funding Center identified for each project.***

FY 2026 – Utilization Reports
October 2025
November 2025

FY 2025 – Utilization Reports

September 2025
August 2025
July 2025
June 2025
May 2025

April 2025
March 2025
February 2025
January 2025
December 2024
November 2024
October 2024

FY 2024 – Utilization Reports
September 2024
August 2024
July 2024
June 2024
May 2024
April 2024
March 2024
February 2024
January 2024
December 2023
November 2023
October 2023

 

From massive solar panels to the difficulty of staying cool - not to mention high-energy radiation - there are a lot of engineering problems that need to be solved before we can build data centres in space

From massive solar panels to the difficulty of staying cool - not to mention high-energy radiation - there are a lot of engineering problems that need to be solved before we can build data centres in space

Week in images: 15-19 December 2025

Discover our week through the lens

After starting the year with its first known bird flu death, the US expanded its efforts to contain the virus, which enabled it to end its public health emergency response months later

After starting the year with its first known bird flu death, the US expanded its efforts to contain the virus, which enabled it to end its public health emergency response months later

Rapid advances in the kind of problems that quantum computers can tackle suggest that they are closer than ever to becoming useful tools of scientific discovery

Rapid advances in the kind of problems that quantum computers can tackle suggest that they are closer than ever to becoming useful tools of scientific discovery

NASA’s newest space telescope has unveiled a stunning map of the cosmos in infrared

Getting close to things is one way for scientists to collect better data about them. But that's been hard to do for the Sun, since getting close to it typically entails getting burnt to a crisp. Just ask Icarus. But if Icarus had survived his close encounter with the Sun, he might have been able to see massive magnetic “tadpoles” tens of thousands of kilometers wide reconnecting back down to the surface of our star. Or maybe not, because he had human eyes, not the exceptionally sensitive Wide-Field imagers the Parker Solar Probe used to look at the Sun while it made its closest ever pass to our closest star. A new paper in The Astrophysical Journal Letters from Angelos Vourlidas of Johns Hopkins University’s Applied Physics Laboratory and his co-authors describes what they say on humanity’s closest brush with the Sun so far.

Hidden Fibonacci numbers, a new shape and the search for a grand unified theory of mathematics are among our choices for most exciting findings of the year

Explore Hubble

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2 min read

Hubble Glimpses Galactic Gas Making a Getaway This NASA/ESA Hubble Space Telescope image features the galaxy NGC 4388, a member of the Virgo galaxy cluster. ESA/Hubble & NASA, S. Veilleux, J. Wang, J. Greene

A sideways spiral galaxy shines in this NASA/ESA Hubble Space Telescope image. Located about 60 million light-years away in the constellation Virgo (the Maiden), NGC 4388 is a resident of the Virgo galaxy cluster. This enormous cluster of galaxies contains more than a thousand members and is the nearest large galaxy cluster to the Milky Way.

NGC 4388 appears to tilt at an extreme angle relative to our point of view, giving us a nearly edge-on prospect of the galaxy. This perspective reveals a curious feature that wasn’t visible in a previous Hubble image of this galaxy released in 2016: a plume of gas from the galaxy’s nucleus, here seen billowing out from the galaxy’s disk toward the lower-right corner of the image. But where did this outflow come from, and why does it glow?

The answer likely lies in the vast stretches of space that separate the galaxies of the Virgo cluster. Though the space between galaxies appears empty, this space is occupied by hot wisps of gas called the intracluster medium. As NGC 4388 moves within the Virgo cluster, it plunges through the intracluster medium. Pressure from hot intracluster gas whisks away gas from within NGC 4388’s disk, causing it to trail behind as NGC 4388 moves.

The source of the ionizing energy that causes this gas cloud to glow is more uncertain. Researchers suspect that some of the energy comes from the center of the galaxy, where a supermassive black hole spins gas around it into a superheated disk. The blazing radiation from this disk might ionize the gas closest to the galaxy, while shock waves might be responsible for ionizing filaments of gas farther out.

This image incorporates new data, including several additional wavelengths of light, that bring the ionized gas cloud into view. The image holds data from several observing programs that aim to illuminate galaxies with active black holes at their centers.

Facebook logo @NASAHubble

@NASAHubble

Instagram logo @NASAHubble

Media Contact:

Claire Andreoli (claire.andreoli@nasa.gov)
NASA’s Goddard Space Flight Center, Greenbelt, MD

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Details

Last Updated

Dec 18, 2025

Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center

Related Terms

• Hubble Space Telescope
• Astrophysics
• Astrophysics Division
• Galaxies
• Goddard Space Flight Center
• Spiral Galaxies
• The Universe

Keep Exploring Discover More Topics From Hubble

Hubble Space Telescope

Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.

Explore the Night Sky

Hubble & Citizen Science

Hubble Science Operations

Explore Hubble

• Hubble Home
• Overview
• Impact & Benefits
• Science
• Observatory
• Team
• Multimedia
• News
• More

2 min read

Hubble Glimpses Galactic Gas Making a Getaway This NASA/ESA Hubble Space Telescope image features the galaxy NGC 4388, a member of the Virgo galaxy cluster. ESA/Hubble & NASA, S. Veilleux, J. Wang, J. Greene

A sideways spiral galaxy shines in this NASA/ESA Hubble Space Telescope image. Located about 60 million light-years away in the constellation Virgo (the Maiden), NGC 4388 is a resident of the Virgo galaxy cluster. This enormous cluster of galaxies contains more than a thousand members and is the nearest large galaxy cluster to the Milky Way.

NGC 4388 appears to tilt at an extreme angle relative to our point of view, giving us a nearly edge-on prospect of the galaxy. This perspective reveals a curious feature that wasn’t visible in a previous Hubble image of this galaxy released in 2016: a plume of gas from the galaxy’s nucleus, here seen billowing out from the galaxy’s disk toward the lower-right corner of the image. But where did this outflow come from, and why does it glow?

The answer likely lies in the vast stretches of space that separate the galaxies of the Virgo cluster. Though the space between galaxies appears empty, this space is occupied by hot wisps of gas called the intracluster medium. As NGC 4388 moves within the Virgo cluster, it plunges through the intracluster medium. Pressure from hot intracluster gas whisks away gas from within NGC 4388’s disk, causing it to trail behind as NGC 4388 moves.

The source of the ionizing energy that causes this gas cloud to glow is more uncertain. Researchers suspect that some of the energy comes from the center of the galaxy, where a supermassive black hole spins gas around it into a superheated disk. The blazing radiation from this disk might ionize the gas closest to the galaxy, while shock waves might be responsible for ionizing filaments of gas farther out.

This image incorporates new data, including several additional wavelengths of light, that bring the ionized gas cloud into view. The image holds data from several observing programs that aim to illuminate galaxies with active black holes at their centers.

Facebook logo @NASAHubble

@NASAHubble

Instagram logo @NASAHubble

Media Contact:

Claire Andreoli (claire.andreoli@nasa.gov)
NASA’s Goddard Space Flight Center, Greenbelt, MD

Share

• 
  
  
• 
  
  
• 
  
  
• 
  
  

Details

Last Updated

Dec 18, 2025

Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center

Related Terms

• Hubble Space Telescope
• Astrophysics
• Astrophysics Division
• Galaxies
• Goddard Space Flight Center
• Spiral Galaxies
• The Universe

Keep Exploring Discover More Topics From Hubble

Hubble Space Telescope

Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.

Explore the Night Sky

Hubble & Citizen Science

Hubble Science Operations

Depending on how you look at it, this catchphrase from a 1980s pop song is decently accurate: you can actually melt the planet if you stop its turning

New laws in the UK, Australia and France were brought in during 2025 with the aim of protecting children from harmful content online, but experts remain divided on whether they will achieve this goal

New laws in the UK, Australia and France were brought in during 2025 with the aim of protecting children from harmful content online, but experts remain divided on whether they will achieve this goal

It's easy to assume that the most talented adults among us were once gifted children, but it turns out that talent during childhood is no guide to later success

It's easy to assume that the most talented adults among us were once gifted children, but it turns out that talent during childhood is no guide to later success

3 Min Read Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

This highly detailed image of the Crab Nebula was assembled by combining data from five telescopes spanning nearly the entire breadth of the electromagnetic spectrum: The Very Large Array (radio) in red; Spitzer Space Telescope (infrared) in yellow; Hubble Space Telescope (visible) in green; XMM-Newton (ultraviolet) in blue; and Chandra X-ray Observatory (X-ray) in purple.

Credits:
NASA, ESA, G. Dubner (IAFE, CONICET-University of Buenos Aires) et al.; A. Loll et al.; T. Temim et al.; F. Seward et al.; VLA/NRAO/AUI/NSF; Chandra/CXC; Spitzer/JPL-Caltech; XMM-Newton/ESA; and Hubble/STScI

What happens when a star dies? In 2019, Betelgeuse dimmed in brightness, sparking speculation that it may soon explode as a supernova. While it likely won’t explode quite yet, we can preview its fate by observing the nearby Crab Nebula.

A view of the constellations Orion and Taurus, along with notable features: Betelgeuse in Orion, and Aldebaran and the Crab Nebula in Taurus. Stellarium Web

Betelgeuse is easy to find as the red-hued shoulder star of Orion. A variable star, Betelgeuse, usually competes with the brilliant blue-white Rigel for the position of the brightest star in Orion. Betelgeuse is a young star, estimated to be a few million years old, but due to its giant size, it leads a fast and furious life. This massive star, known as a supergiant, exhausted the hydrogen fuel in its core and began to fuse helium instead, which caused the outer layers of the star to cool and swell dramatically in size. Betelgeuse is one of the few stars for which we have any detailed surface observations, due to its vast size – somewhere between the diameters of the orbits of Mars and Jupiter – and its relatively close distance of about 642 light-years. Betelgeuse is also a “runaway star,” with its remarkable speed possibly triggered by a merger with a smaller companion star. If that is the case, Betelgeuse may actually have millions of years left! So, Betelgeuse may not explode soon after all, or it might explode tomorrow! We have much more to learn about this intriguing star.  

This image of the Crab Nebula combines data from five different telescopes: The Very Large Array (radio) in red; Spitzer Space Telescope (infrared) in yellow; Hubble Space Telescope (visible) in green; XMM-Newton (ultraviolet) in blue; and Chandra X-ray Observatory (X-ray) in purple. It is known as the expanding gaseous remnant from a star that self-detonated as a supernova, briefly shining as brightly as 400 million suns. NASA, ESA, G. Dubner (IAFE, CONICET-University of Buenos Aires) et al.; A. Loll et al.; T. Temim et al.; F. Seward et al.; VLA/NRAO/AUI/NSF; Chandra/CXC; Spitzer/JPL-Caltech; XMM-Newton/ESA; and Hubble/STScI

The Crab Nebula (M1) is relatively close to Betelgeuse in the sky, in the nearby constellation of Taurus. Its ghostly, spidery gas clouds result from a massive explosion; a supernova observed by astronomers in 1054! A backyard telescope allows you to see some details. Still, only advanced telescopes reveal the rapidly spinning neutron star found in its center: the last stellar remnant from that cataclysmic event. These gas clouds were created during the giant star’s violent demise and expand ever outward to enrich the universe with heavy elements like silicon, iron, and nickel. These element-rich clouds are like a cosmic fertilizer, making rocky planets like our own Earth possible. Supernovae also send out powerful shock waves that help trigger star formation. In fact, if it weren’t for a long-ago supernova, our solar system – along with all of us – wouldn’t exist! You can learn much more about the Crab Nebula in a video from NASA’s James Webb Space Telescope: bit.ly/CrabNebulaVisual

Want to know more about the life cycle of stars? Explore stellar evolution with “The Lives of Stars” activity and handout at bit.ly/starlifeanddeath, part of our SUPERNOVA! toolkit.

Originally posted by Dave Prosper: February 2020

Last Updated by Kat Troche: December 2025

3 Min Read Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

This highly detailed image of the Crab Nebula was assembled by combining data from five telescopes spanning nearly the entire breadth of the electromagnetic spectrum: The Very Large Array (radio) in red; Spitzer Space Telescope (infrared) in yellow; Hubble Space Telescope (visible) in green; XMM-Newton (ultraviolet) in blue; and Chandra X-ray Observatory (X-ray) in purple.

Credits:
NASA, ESA, G. Dubner (IAFE, CONICET-University of Buenos Aires) et al.; A. Loll et al.; T. Temim et al.; F. Seward et al.; VLA/NRAO/AUI/NSF; Chandra/CXC; Spitzer/JPL-Caltech; XMM-Newton/ESA; and Hubble/STScI

What happens when a star dies? In 2019, Betelgeuse dimmed in brightness, sparking speculation that it may soon explode as a supernova. While it likely won’t explode quite yet, we can preview its fate by observing the nearby Crab Nebula.

A view of the constellations Orion and Taurus, along with notable features: Betelgeuse in Orion, and Aldebaran and the Crab Nebula in Taurus. Stellarium Web

Betelgeuse is easy to find as the red-hued shoulder star of Orion. A variable star, Betelgeuse, usually competes with the brilliant blue-white Rigel for the position of the brightest star in Orion. Betelgeuse is a young star, estimated to be a few million years old, but due to its giant size, it leads a fast and furious life. This massive star, known as a supergiant, exhausted the hydrogen fuel in its core and began to fuse helium instead, which caused the outer layers of the star to cool and swell dramatically in size. Betelgeuse is one of the few stars for which we have any detailed surface observations, due to its vast size – somewhere between the diameters of the orbits of Mars and Jupiter – and its relatively close distance of about 642 light-years. Betelgeuse is also a “runaway star,” with its remarkable speed possibly triggered by a merger with a smaller companion star. If that is the case, Betelgeuse may actually have millions of years left! So, Betelgeuse may not explode soon after all, or it might explode tomorrow! We have much more to learn about this intriguing star.  

This image of the Crab Nebula combines data from five different telescopes: The Very Large Array (radio) in red; Spitzer Space Telescope (infrared) in yellow; Hubble Space Telescope (visible) in green; XMM-Newton (ultraviolet) in blue; and Chandra X-ray Observatory (X-ray) in purple. It is known as the expanding gaseous remnant from a star that self-detonated as a supernova, briefly shining as brightly as 400 million suns. NASA, ESA, G. Dubner (IAFE, CONICET-University of Buenos Aires) et al.; A. Loll et al.; T. Temim et al.; F. Seward et al.; VLA/NRAO/AUI/NSF; Chandra/CXC; Spitzer/JPL-Caltech; XMM-Newton/ESA; and Hubble/STScI

The Crab Nebula (M1) is relatively close to Betelgeuse in the sky, in the nearby constellation of Taurus. Its ghostly, spidery gas clouds result from a massive explosion; a supernova observed by astronomers in 1054! A backyard telescope allows you to see some details. Still, only advanced telescopes reveal the rapidly spinning neutron star found in its center: the last stellar remnant from that cataclysmic event. These gas clouds were created during the giant star’s violent demise and expand ever outward to enrich the universe with heavy elements like silicon, iron, and nickel. These element-rich clouds are like a cosmic fertilizer, making rocky planets like our own Earth possible. Supernovae also send out powerful shock waves that help trigger star formation. In fact, if it weren’t for a long-ago supernova, our solar system – along with all of us – wouldn’t exist! You can learn much more about the Crab Nebula in a video from NASA’s James Webb Space Telescope: bit.ly/CrabNebulaVisual

Want to know more about the life cycle of stars? Explore stellar evolution with “The Lives of Stars” activity and handout at bit.ly/starlifeanddeath, part of our SUPERNOVA! toolkit.

Originally posted by Dave Prosper: February 2020

Last Updated by Kat Troche: December 2025