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APOD

Electrified Aircraft Propulsion

APOD: 2026 July 28 – Barnards Loop over Twin Volcanoes

APOD Science APOD APOD: 2026 July 28 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

Posted July 28, 2026

Research and Technology Mission Directorate

Advanced Air Vehicles Program

Electrified Aircraft Propulsion

Subsonic Vehicle Technologies and Tools

NASA, GE Aerospace Work Enables Hybrid-Electric Flight Demonstration

An aircraft powered by a megawatt-class hybrid-electric engine developed in collaboration with NASA and built by GE Aerospace, demonstrated flight of an innovation that can inform new generations of fuel-saving aircraft power systems. Mounted to a Saab 340B aircraft, the engine flew at Farnborough International Air Show in the United Kingdom.

Posted July 20, 2026

Advanced Air Vehicles Program

Aeronautics Research Mission Directorate

Electrified Aircraft Propulsion

Glenn Research Center

Hybrid Thermally Efficient Core

NASA, GE Aerospace Hybrid Engine System Marks Successful Test

To an untrained eye, the aircraft engine sitting outside of a Cincinnati facility in December might have looked like standard hardware.

Posted January 26, 2026

Earth

Electrified Aircraft Propulsion

International Space Station (ISS)

Golden Lake

Golden sunglint highlights Lake Balkhash in this May 31, 2016, photo taken from the International Space Station. The large lake in Kazakhstan is one of the largest lakes in Asia and is the 15th largest lake in the world. Since the space station became operational in November 2000, crew members have produced hundreds of thousands […]

Posted September 26, 2025

Glenn Research Center

Aeronautics Research Mission Directorate

Electrified Aircraft Propulsion

Electrified Powertrain Flight Demo

Find Your Place

Learning Resources

MUREP

NASA Engineer Carries Indigenous Roots into New Aviation Era

Growing up outside of Philadelphia, Abigail Reigner spent most of her childhood miles away from where her family called home, and where there was little trace of her Native American tribe and culture. Belonging to the Comanche Nation that resides in Lawton, Oklahoma, Reigner’s parents made every effort to keep her connected to her Indigenous […]

Posted November 19, 2024

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3

STS-51A

1

Mars Reconnaissance Orbiter (MRO)

18

Chandra X-Ray Observatory

79

6

Digital Transformation (DT)

7

STS-93

1

Materials Science

3

NICER (Neutron star Interior Composition Explorer)

8

Extreme Temperatures

5

73

GRACE (Gravity Recovery And Climate Experiment)

6

Air Mobility Pathfinders project

6

Auroras

14

Planetary Geosciences & Geophysics

7

Saturn

25

James Webb Space Telescope (JWST)

163

16

2

Star-forming Nebulae

15

El Niño - Southern Oscillation

1

Technology for Living in Space

6

NASA Engineering & Safety Center Academy

1

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40

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22

1

8

Hubble Space Telescope

239

1

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18

1

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16

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11

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17

Artemis 5

7

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8

Research Archive

1

In-flight Education Downlinks

27

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48

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7

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45

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10

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6

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1

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3

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23

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12

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2

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226

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44

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8

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50

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2

5

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4

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8

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1

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3

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110

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9

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3

360

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1

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2

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1

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10

3

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12

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2

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3

180

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3

46

Robert L. Satcher Jr.

1

Investigation of Convective Updrafts (INCUS)

1

8

Commercial Space

98

32

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33

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6

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4

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5

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1

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1

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1

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14

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4

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13

23

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20

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3

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1

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13

1

2

Discovery Program

2

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1

Matthew Dominick

5

4

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18

Underway Recovery Test 11

1

GRACE-FO (Gravity Recovery and Climate Experiment Follow-on)

7

7

B200

3

Planetary Nebulae

12

15

Jasmin Moghbeli

11

Lunar Surface Innovation Consortium

7

Coronal Diagnostic Experiment (CODEX)

3

Stars

155

Electrified Aircraft Propulsion

5

NASA Engineering and Safety Center

48

4

GALEX (Galaxy Evolution Explorer)

1

36

Apophis

2

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1

Raja Chari

3

Hybrid Thermally Efficient Core

3

Landsat 1

1

Active Galaxies

13

Artemis Accords

48

Pathfinding for Airspace with Autonomous Vehicles

1

Research Opportunities in Space and Earth Sciences (ROSES)

4

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2

Leadership

12

Clouds

13

Space Communications Technology

21

Early Stage Innovations (ESI)

3

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10

Michoud Assembly Facility

35

Ocean Circulation

1

Flightlog

1

VERITAS (Venus Emissivity, Radio Science, InSAR, Topography & Spectroscopy)

3

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7

Ames Research Center's Science Directorate

34

Black History Month

7

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5

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17

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405

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2

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4

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17

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2

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5

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35

NASA+

5

ExoMoons

1

THEMIS-ARTEMIS (Time History of Events and Macroscale Interactions During Substorms - Acceleration, Reconnection, Turbulence and Electrodynamics of Moon's Interaction with the Sun)

1

Gemini IX

1

William A. Anders

2

Mars Science Laboratory (MSL)

26

NEOWISE

8

54

Transformative Aeronautics Concepts Program

24

Globular Clusters

5

XRISM (X-Ray Imaging and Spectroscopy Mission)

6

Aeronautics Research

11

373

Physical Sciences

8

Robotics

18

Io

5

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27

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1

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8

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5

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4

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1

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4

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18

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1

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9

5

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1

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5

1

Quasars

6

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18

Katherine Johnson IV and V Facility

3

Carlos I. Noriega

1

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5

DC-8

6

STS-51D

1

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