APOD: 2026 September 11 – M83: The Southern Pinwheel | Simple Site

APODScienceAPODAPOD: 2026 September 11 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss 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. M83: The Southern Pinwheel Explanation: Beautiful and bright spiral galaxy M83 lies some twelve million light-years away, near the southeastern […]

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Posted on September 11, 2026

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6

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

1

Landsat 1

1

William A. Anders

2

Christina H. Koch

24

People of Goddard

81

Dragonfly

8

Richard A. Mastracchio

1

Featured Careers

5

Space Flight Awareness (SFA)

1

Grades 5 - 8 for Educators

13

Super-Earth Exoplanets

10

Air Traffic Solutions

14

Mini-RF Instrument

1

Benefits Back on Earth

3

4

Jason-CS (Continuity of Service) / Sentinel-6

6

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

3

17

2

Prizes, Challenges & Crowdsourcing News

10

Ellington Field

2

SimLabs

2

Gamma Rays

10

STS-107

2

Mars Climate Orbiter

1

Armstrong Test Facility (Plum Brook)

5

National Space Council Users' Advisory Group (NSpC UAG)

1

Exoplanet Detection Methods

8

Snow

14

Gemini XI

1

STS-51D

1

Advanced Air Vehicles Program

32

Marshall Earth Sciences

29

Associate Administrator Awards

5

Neptune-Like Exoplanets

8

4

Transformative Aeronautics Concepts Program

26

Launch Services Program

50

XRISM (X-Ray Imaging and Spectroscopy Mission)

7

Cold Atom Laboratory (CAL)

6

1

Earth Observatory

166

Rosalind Franklin (Rover)

1

For Colleges & Universities

50

SpaceX Commercial Resupply

25

Greenhouse Gases

9

Sustainable Flight National Partnership

4

Andrew S.W. Thomas

1

MUSE (Multi-slit Solar Explorer)

1

Bob Hines

1

Office of the General Counsel (OGC)

36

Technology for Space Travel

18

Johnson's Mission Control Center

6

Visible Infrared Imaging Radiometer Suite (VIIRS)

11

5

Opportunity (Rover)

4

19

Quesst: The Flights

5

Euclid

9

6

Deimos

1

Red Dwarfs

1

7

Solar System Exploration Research Virtual Inst.

3

Goddard Medical and Environmental Division

1

STS-99

1

Aerosciences Evaluation Test Capabilities

4

Meetings, Workshops & Conferences

1

Atmospheric Composition

1

Night Sky Network

38

Ionosphere

11

University Innovation

16

8

Communicating and Navigating with Missions

35

Planets

30

Earth-like Exoplanets

6

Science & Research

251

5

FutureFlight Central

1

Stellar Evolution

3

1

Manufacturing, Materials, 3-D Printing

1

Apollo 14

2

NASA Home & City

1

CADRE (Cooperative Autonomous Distributed Robotic Exploration)

3

Human Health and Performance

31

The Future of Commercial Space

13

Kathleen Rubins

2

2

Centennial Challenges

14

41

Thomas P. Stafford

3

Landsat 4

1

William C. McCool

1

Christopher L. Williams

8

People of Johnson

66

26

Richard H. Truly

1

Fermi Gamma-Ray Space Telescope

16

2

16

Supermassive Black Holes

21

Airborne Science

30

MinXSS (Miniature X-ray Solar Spectrometer)

1

Benefits to Science

1

Oceans

46

Jeanette J. Epps

4

Vertical Motion Simulator

1

Lunar Surface Innovation Consortium

7

Courses & Curriculums for Professionals

1

Prizes, Challenges, & Crowdsourcing News

27

Elliptical Galaxies

7

SIR-C/X-SAR (Shuttle Imaging Radar-C / X-Band Synthetic Aperture Radar)

1

Gamma-Ray Bursts

13

STS-113

1

Mars Exploration Program

10

Artemis

385

Native American Heritage Month

7

Exoplanet Discoveries

16

6

General

657

STS-61

1

Advanced Capabilities for Emergency Response Operations

1

Marshall Heliophysics & Planetary Science

8

Asteroids

48

Neutral Buoyancy Lab

3

Infrared Space Observatory (ISO)

1

TREAT Astronauts Act

1

Leadership

13

1

1

Pioneer

1

221

Rosetta

1

13

SPHEREx (Spectro-Photometer for the History of the Universe and Ices Explorer)

26

Gulfstream G-III

1

Swift Boost Mission

4

Andromeda Galaxy

8

Nancy Grace Roman Space Telescope

88

Brand Partnerships

1

2

Technology Highlights

40

Joint Agency Satellite Division

4

Volcanoes

17

26

19

Quesst: The Mission

3

Blog Posts

APOD: 2026 September 20 – Analemma over the Callanish Stones

September 20, 2026

APOD: 2026 September 19 – A Zodiacal Night

September 19, 2026

NASA Invites Media to Albania Artemis Accords Signing Ceremony

September 18, 2026

Newsletter Archive

April 2021

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