LAGEOS (LAser GEOdynamics Satellite) | Simple Site

LAGEOS (LAser GEOdynamics Satellite)

LAGEOS: An Earth Science Mission Built for Enduring Precision

On May 4, 1976, a spacecraft resembling a disco ball entered orbit almost 3,700 miles (6,000 kilometers) above Earth. This shiny, two‑foot‑wide (60‑centimeter) sphere called the Laser Geodynamics Satellite, or LAGEOS, is covered with 426 retroreflectors—small mirrored prisms designed to bounce laser light directly back to where it came from.

Posted May 4, 2026

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

3

Grades K - 4 for Educators

13

Air Traffic Solutions

14

Bennu

6

Potentially Hazardous Asteroid (PHA)

4

Science-enabling Technology

50

John B. Herrington

1

Magellan

2

Brewster H. Shaw Jr.

1

21

Seyfert Galaxies

4

JUICE (Jupiter Icy Moons Explorer)

1

1

Small Spacecraft Technology Program

18

Dark Matter & Dark Energy

9

STS-51C

1

Europa Clipper Resources

8

Mars Pathfinder

1

Neil Gehrels Swift Observatory

14

Exoplanet Transits

10

Transformative Aeronautics Concepts Program

24

51

XRISM (X-Ray Imaging and Spectroscopy Mission)

6

Advanced Air Vehicles Program

30

Asteroids

44

Phobos

3

Robert L. Satcher Jr.

1

International Space Station (ISS)

519

4

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14

32

Earth Science Technology Office

11

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6

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3

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4

For Researchers

11

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7

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2

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1

Opportunities For Students to Get Involved

39

4

Galaxies, Stars, & Black Holes

75

1

High-Tech Computing

14

Apollo 15

1

OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer)

18

Candidate Astronauts

13

Radioisotope Power Systems (RPS)

15

Human System Risks

15

Land Cover

9

Center Innovation Fund

3

2

Developmental, Reproductive and Evolutionary Biology

1

STS-96

1

Martian Moon Exploration (MMX)

2

NICER (Neutron star Interior Composition Explorer)

8

Exploration Park

2

University Innovation

14

GOES-R

3

Aerosciences Evaluation Test Capabilities

2

Atmospheric Temperature

1

Planetary Geosciences & Geophysics

7

15

James A. McDivitt

1

Lunar Explorer Instrument for space biology Applications (LEIA)

1

Compton Gamma Ray Observatory (CGRO)

1

Stars

147

Ecostress (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station)

3

Technology for Space Travel

18

NASA Engineering & Safety Center Academy

1

Craters

1

STS-107

2

Employee Spotlights

1

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9

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1

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28

William C. McCool

1

Artemis 1

17

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8

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4

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1

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4

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103

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20

4

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10

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1

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3

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2

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1

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1

Airborne Science

28

1

PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment)

8

Scientific Balloons

15

5

Magellanic Clouds

2

Andromeda Galaxy

8

10

Pulsars

12

Juno

18

SmallSats Program

5

DART (Double Asteroid Redirection Test)

9

STS-51D

1

Mars Reconnaissance Orbiter (MRO)

16

NEO Surveyor (Near-Earth Object Surveyor Space Telescope)

10

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87

TREAT Astronauts Act

1

29

1

Advanced Capabilities for Emergency Response Operations

1

39

36

Robotics

16

International Space Station Division

6

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3

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101

Spacesuits

8

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5

Sustainable Flight National Partnership

4

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4

Office of the Chief Health and Medical Officer (OCHMO)

3

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18

Volcanoes

14

134

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