16480 Search Results for "ground-based"

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10 Min Read

What Is... Earth's Atmosphere? - NASA

https://www.nasa.gov/general/what-is-earths-atmosphere

On the day the image was captured, October 9, 2014, ground-based measurements reported PM 2.5 measurements of 334 micrograms per cubic meter of air. NASA/Jeff ... May 13, 2024

4 Min Read

Artemis Emergency Egress System Emphasizes Crew Safety - NASA

https://www.nasa.gov/missions/artemis/artemis-2/artemis-emergency-egress-system-emphasizes-crew-safety

Though no NASA mission to date has needed to use its ground-based emergency egress system during launch countdown, those safety measures are still in place and ... August 6, 2024

2 Min Read

NEO Surveyor - NASA Science

https://science.nasa.gov/mission/neo-surveyor

... impact hazard to Earth. Learn More about ... Use NASA's Eyes on Asteroids interactive for a real-time visualization of every known asteroid or comet classified as ... March 10, 2021

3 Min Read

Landsat - NASA Science

https://science.nasa.gov/mission/landsat

The Landsat program consists of a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey (USGS). Since 1972, ... March 3, 2023

5 Min Read

How NASA Is Testing AI to Make Earth-Observing Satellites Smarter

https://www.nasa.gov/science-research/earth-science/how-nasa-is-testing-ai-to-make-earth-observing-satellites-smarter

... based technology could help orbiting spacecraft provide more targeted and valuable science data. The technology enabled an Earth-observing satellite for the ... July 24, 2025

9.0 Communications - NASA

https://www.nasa.gov/smallsat-institute/sst-soa/soa-communications

... land-based wireless systems for inter-satellite communication (4). ... Based on the ground station locations available, engineers would perform ...

1 Min Read

Moon to Mars | NASA's Artemis Program

https://www.nasa.gov/feature/artemis

Exploration Ground Systems, based at Kennedy Space Center in Florida, develops and operates the systems and facilities needed to process, launch, and ... June 7, 2023

11.0 Ground Data Systems and Mission Operations - NASA

https://www.nasa.gov/smallsat-institute/sst-soa/ground-data-systems-and-mission-operations

... based elements used to collect and disseminate ... Space relay services involve an intermediate satellite that communicates with a ground station on the Earth's ...

7 Min Read

Life After Microgravity: Astronauts Reflect on Post-Flight Recovery - NASA

https://www.nasa.gov/centers-and-facilities/johnson/life-after-microgravity-astronauts-reflect-on-post-flight-recovery

Additional Earth-based insights come from the Crew Health and ... Findings from these ground-based missions and others will help NASA refine ... September 9, 2025

1 Min Read

Ground-based (Digitized Sky Survey) image of TMR-1C region - NASA Science

https://science.nasa.gov/asset/hubble/ground-based-digitized-sky-survey-image-of-tmr-1c-region

Follow-Up Observations Show Potential Planet TMR-1C is Really a Star. This NASA Hubble Telescope near-infrared image of newborn binary stars (image center) ...

1 Min Read

Ground-Based Image with Location of Fomalhaut - NASA Science

https://science.nasa.gov/asset/hubble/ground-based-image-with-location-of-fomalhaut

This illustration shows the newly discovered planet, Fomalhaut b, orbiting its sun, Fomalhaut. A structure comprised mostly of brown and gold colors surrounds ...

2019 Ames Earth Science Publications - NASA

https://www.nasa.gov/ames-earth-science-publications/2019-ames-earth-science-publications

Evaluation of CLARA-A2 and ISCCP-H Cloud Cover Climate Data Records over Europe with ECA&D Ground-Based Measurements. Remote Sensing. 2019; 11(2):212. https:// ...

26 Min Read

NASA's Contributions to the National Airspace

https://www.nasa.gov/reference/nasas-contributions-to-the-national-airspace

... ground-based operations such as self-driving cars and drone operations. 1980 – 4D Trajectory Guidance NASA's 4D Trajectory Guidance revolutionized air ... May 29, 2026

12 Min Read

Follow That Planet! How Astronomers Chase New Worlds in TESS Data - NASA Science

https://science.nasa.gov/universe/exoplanets/follow-that-planet-how-astronomers-chase-new-worlds-in-tess-data

All planet candidates found by space telescopes like TESS must be confirmed by other observatories. Scientists around the world are combing through TESS data, ...

2 Min Read

GLOBE Expands with Landsat Land Cover Comparisons - NASA Science

https://science.nasa.gov/missions/landsat/globe-expands-with-landsat-land-cover-comparisons

Landsat Navigation. Landsat Home; Missions. Landsat 10 · Landsat 9 · Landsat 8 · Landsat 7 · Landsat 6 · Landsat 5 · Landsat 4 · Landsat 3 · Landsat 2 · Landsat ...

1 Min Read

Ground-based View of the Milky Way (Z. Levay) - NASA Science

https://science.nasa.gov/asset/hubble/ground-based-view-of-the-milky-way-z-levay

Milky Way Bulge. Hubble Captures Glittering Crowded Hub of our Milky Way Galaxy This Hubble Space Telescope image of a sparkling jewel box full of stars ...

21 Min Read

A Clearer View of Hazy Skies: Remote Sensing Provides a Global Perspective on Pollution in the Atmosphere - NASA Science

https://science.nasa.gov/earth/earth-observatory/air-quality

NASA astronaut photograph GEM07-22-63802. Five decades later, the signs of air pollution are much clearer. Dozens of satellites now orbit Earth, and some of ...

1 Min Read

HDF-S on Ground-Based Image (with Hubble Overlay) - NASA Science

https://science.nasa.gov/asset/hubble/hdf-s-on-ground-based-image-with-hubble-overlay-2

A NASA Hubble Space Telescope view down a 12 billion light-year long corridor of space loaded with a dazzling assortment of thousands of never-before seen ...

5.0 Guidance, Navigation, and Control - NASA

https://www.nasa.gov/smallsat-institute/sst-soa/guidance-navigation-and-control

In Earth orbit, onboard position determination can be provided by a Global Positioning System (GPS) receiver. Alternatively, ground-based radar tracking systems ...

1 Min Read

M82 Ground-based Image - NASA Science

https://science.nasa.gov/asset/hubble/m82-ground-based-image

The observations were made by Hubble's Advanced Camera for Surveys. Astronomers combined four color-filter images... July 21, 2023

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What Is... Earth's Atmosphere? - NASA

Artemis Emergency Egress System Emphasizes Crew Safety - NASA

NEO Surveyor - NASA Science

Landsat - NASA Science

How NASA Is Testing AI to Make Earth-Observing Satellites Smarter

9.0 Communications - NASA

Moon to Mars | NASA's Artemis Program

11.0 Ground Data Systems and Mission Operations - NASA

Life After Microgravity: Astronauts Reflect on Post-Flight Recovery - NASA

Ground-based (Digitized Sky Survey) image of TMR-1C region - NASA Science

Ground-Based Image with Location of Fomalhaut - NASA Science

2019 Ames Earth Science Publications - NASA

NASA's Contributions to the National Airspace

Follow That Planet! How Astronomers Chase New Worlds in TESS Data - NASA Science

GLOBE Expands with Landsat Land Cover Comparisons - NASA Science

NASA’s X-59 Prepares for First Supersonic Flight 

NASA’s X-59 Prepares for First Supersonic Flight 

NASA’s X-59 Prepares for First Supersonic Flight 