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What is Lunar Regolith? (Grades 5-8)

This article is for students grades 5-8. The surface of the Moon is covered in a thick layer of boulders, rocks, and dust. This dusty, rocky layer is called lunar regolith. It was created a long time ago when meteorites crashed into the Moon and broke up the ground. NASA scientists study the regolith to learn […]

Posted May 21, 2025

For Kids and Students

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What Is the International Space Station? (Grades 5-8)

This article is for students grades 5-8. The International Space Station is a large spacecraft in orbit around Earth. It serves as a home where crews of astronauts and cosmonauts live. The space station is also a unique science laboratory. Several nations worked together to build and use the space station. The space station is made […]

Posted May 20, 2025

For Kids and Students

Explore

What Is a Black Hole? (Grades 5-8)

This article is for students grades 5-8 A black hole is a region in space where the pulling force of gravity is so strong that light is not able to escape. The strong gravity occurs because matter has been pressed into a tiny space. This compression can take place at the end of a star’s […]

Posted May 7, 2025

For Kids and Students

Explore

What Is the Artemis Program? (Grades 5-8)

This article is for students grades 5-8. Artemis is NASA’s new lunar exploration program, which includes sending the first woman and first person of color on the Moon. Through the Artemis missions, NASA will use new technology to study the Moon in new and better ways, and prepare for human missions to Mars. Why Is […]

Posted November 22, 2023

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Categories

ADEOS (Advanced Earth Observing Satellite) / MIDORI

1

Astronauts

87

Lunar Crater Observation and Sensing Satellite (LCROSS)

1

OSAM-1 (On-Orbit Servicing, Assembly, and Manufacturing 1)

1

MUSE (Multi-slit Solar Explorer)

1

COSI (Compton Spectrometer and Imager)

1

EPSCoR

3

SWOT (Surface Water and Ocean Topography)

15

Voyager Program

6

GOLD (Global-scale Observations of the Limb and Disk)

2

Science Activation

46

Irregular Galaxies

6

Stars

107

1

José M. Hernández

1

Nicole P. Stott

1

Byron K. Lichtenberg

1

Mars Sample Return (MSR)

13

Planets

26

23

Trace Gas Orbiter (TGO)

1

Galaxies

158

Human Health and Performance

22

42

Gateway Space Station

25

Richard H. Truly

1

Ice Giants

1

Space Communications & Navigation Program

35

Aeronautics Technology

2

National Space Council Users' Advisory Group (NSpC UAG)

1

B200

2

MAF Employee Assistance Program

5

Partner With Us

5

NASA Home & City

1

13

Exoplanet Detection Methods

5

Technology Transfer

41

Wildfires

12

Featured Careers

4

Gravitational Lensing

3

SeaWiFS (Sea-viewing Wide Field-of-view Sensor)

1

STS-107

1

1

Landsat

6

Office of Diversity and Equal Opportunity (ODEO)

1

Cassini

8

Matthew Dominick

4

Prizes, Challenges, & Crowdsourcing News

6

CloudSat

1

Earth Science Technology Office

9

STS-88

1

University Innovation

10

Commercial Supersonic Technology

9

Edward G. Gibson

1

Supermassive Black Holes

18

Vesta

2

28

Rosetta

1

InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport)

4

Spacesuits

7

Alan B. Shepard Jr.

1

Jessica Watkins

3

Neptune-Like Exoplanets

7

46

Mariner 7

1

Physical Sciences Program

3

1

2

14

XMM-Newton (X-ray Multi-Mirror Newton)

2

For Researchers

10

2

Skywatching Tips

26

STS-51D

1

Artemis 5

3

Lenticular Galaxies

1

Opportunities For International Participants to Get Involved

11

Mini-RF Instrument

1

Quesst: The Mission

3

Advanced Air Mobility

17

Astronomy

2

Lunar Discovery & Exploration Program

1

OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification, and Security – Apophis Explorer)

3

Nancy Grace Roman Space Telescope

49

Cosmic Microwave Background

1

ER-2

4

System-Wide Safety

7

Wallops Flight Facility

55

GRACE (Gravity Recovery And Climate Experiment)

6

Science for Everyone

2

241

Stellar Evolution

2

Anne C. McClain

4

JUICE (Jupiter Icy Moons Explorer)

1

Night Sky Network

30

C-130

1

Mars Science Laboratory (MSL)

16

4

Droughts

1

Tracking and Data Relay Satellite (TDRS)

1

Galaxies, Stars, & Black Holes

69

Human Landing System Program

19

Solar Electric Propulsion (SEP)

1

Gemini

2

Rings of Jupiter

1

ICESat (Ice, Clouds and Land Elevation Satellite)

1

Space Communications Technology

18

Aerosols

4

Native American Heritage Month

7

BARREL (Balloon Array for Radiation-belt Relativistic Electron Losses)

1

MAF Status

1

Pathfinding for Airspace with Autonomous Vehicles

1

NASA Innovative Advanced Concepts (NIAC) Program

26

Dark Matter & Dark Energy

8

Exoplanet Discoveries

11

Technology Transfer & Spinoffs

41

Wildland Fire Management

2

Fermi Gamma-Ray Space Telescope

13

Gravitational Microlensing

1

Sensing the Universe & Multimessenger Astronomy

2

STS-113

1

Apophis

2

Landsat 8 / LDCM (Landsat Data Continuity Mission)

3

Office of International and Interagency Relations (OIIR)

32

Cell and Molecular Biology

2

MAVEN (Mars Atmosphere and Volatile EvolutioN)

13

Prizes, Challenges, and Crowdsourcing Program

29

COBE (Cosmic Background Explorer)

1

Earth Surface & Interior

3

STS-9

2

University Leadership Initiative

5

Common Exploration Systems Development Division

4

Eileen M. Collins

2

Supermoons

1

Victor J. Glover

10

Glenn Research Center

202

RS-25

1

Integrated Aviation Systems Program

12

SpaceX Commercial Resupply

19

1

Jet Propulsion Laboratory

211

Neutral Buoyancy Lab

1

Blogs

177

1

Pioneer

1

Developmental, Reproductive and Evolutionary Biology

1

Exploration Ground Systems

18

The Search for Life

8

XRISM (X-Ray Imaging and Spectroscopy Mission)

5

Former Astronauts

18

1

Small Bodies of the Solar System

2

STS-61

1

Artemis Accords

26

7

Opportunities For Researchers to Get Involved

1

MinXSS (Miniature X-ray Solar Spectrometer)

1

Quesst: The Science

3

Advanced Air Transport Technology

5

280

1

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

16

14

4

EscaPADE (Escape and Plasma Acceleration and Dynamics Explorers)

3

T-34C

1

Walter M. Schirra Jr.

1

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

6

Science in the Air

10

IXPE (Imaging X-ray Polarimetry Explorer)

12

Stellar-mass Black Holes

4

Apollo

12

Juno

16

NISAR (NASA-ISRO Synthetic Aperture Radar)

10

C-20A

3

Marshall Astrophysics

29

Pluto

1

3

Tracy Caldwell Dyson

8

Galaxies, Stars, & Black Holes Research

33

Human Research Program

15

5

University Student Research Challenge

4

Gemini III

1

Rings of Saturn

10

ICESat-2 (Ice, Cloud and land Elevation Satellite-2)

2

2

AeroSpace Frontiers

54

Natural Disasters

22

Barry E. Wilmore

2

Magellan

2

People of Armstrong

4

DART (Double Asteroid Redirection Test)

8

Exoplanet Exploration Program

4

Terra

3

William A. Anders

2

Find Your Place

7

Gravitational Waves

5

Sentinel-6 Michael Freilich Satellite

4

STS-125

1

Applied Sciences Program

3

Landsat 9

5

Office of Small Business Programs (OSBP)

11

Centennial Challenges

10

Mesosphere

3

Project Management & Systems Engineering

1

CoECI News

5

Earth System Observatory (ESO)

5

STS-93

1

4

Quesst: The Team

3

Communicating and Navigating with Missions

22

Electrified Aircraft Propulsion

1

Supernova Remnants

3

2

Global Ecosystem Dynamics Investigation (GEDI)

2

Russell L. Schweickart

2

Interacting Galaxies

2

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

20

Ames Research Center

173

John B. Herrington

1

24

Blue Ghost (lander)

4

Mars

75

Pioneer 10

1

Didymos & Dimorphos

1

Exploration Park

2

The Solar System

130

1

HERA (Human Exploration Research Analog)

7

Small Business Innovation Research / Small Business

9

STS-64

2

Artemis Campaign Development Division

2

9

Opportunities For Students to Get Involved

35

2

Advanced Air Vehicles Program

18

NASA Open Source Software

1

Astrophysics Division

133

Lunar Explorer Instrument for space biology Applications (LEIA)

1

Outer Planets & Ocean Worlds Program

1

NASA Art Program

3

Crew Health and Performance Exploration Analog (CHAPEA)

7

Euclid

6

Tech Demo Missions

7

2

10

Science Instruments

5

James A. McDivitt

1

STEM Engagement at NASA

70

Apollo 10

3

Jupiter

36

NOAA (National Oceanic and Atmospheric Administration)

17

CADRE (Cooperative Autonomous Distributed Robotic Exploration)

3

Marshall Earth Sciences

29

Podcasts

8

Charles O. Hobaugh

1

E-Books

5

Transformational Tools Technologies

7

Galaxy clusters

11

Ranger 7

2

Human Space Travel Research

1

Uranus

5

Gemini IV

1

Robert A. R. Parker

1

ICON (Ionospheric Connection Explorer)

2

Space Launch System (SLS)

84

Aerospace Safety Advisory Panel

1

NEA Scout (Near Earth Asteroid Scout)

1

Becoming an Astronaut

5

Magellanic Clouds

2

People of Goddard

78

2

Exoplanet Science

22

Terrestrial Exoplanets

6

William R. Pogue

1

Fission Surface Power (FSP)

2

Green Aviation Tech

17

1

STS-127

1

Aqua

1

Langley Research Center

116

Office of Technology, Policy and Strategy (OTPS)

21

Centennial Challenges News

6

MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging)

1

Project Mercury

3

Cold Atom Laboratory (CAL)

3

Earth's Atmosphere

25

STS-96

1

Mission Support Directorate

2

Quesst: The Vehicle

13

Community Partners

3

Electrified Powertrain Flight Demo

3

Supernovae

27

VIPER (Volatiles Investigating Polar Exploration Rover)

16

Global Precipitation Measurement (GPM)

2

S3VI

1

International Space Station (ISS)

410

Spinoffs

38

Ames Research Center's Science Directorate

29

5

2

Bob Hines

1

Mars 2020

21

Planetary Defense

20

Digital Information Platform

9

Exploration Systems Development Mission Directorate

39

The Sun

45

4

Herschel Space Observatory

1

Small Satellite Missions

26

STS-65

1

Artificial Intelligence (AI)

10

LISA (Laser Interferometer Space Antenna)

2

Opportunities For U.S. Citizens to Get Involved

5

Human System Risks

15

Solar System Exploration Research Virtual Inst.

3

Advanced Capabilities for Emergency Response Operations

1

NASA Safety Center

3

Astrophysics Explorers Program

4

Lunar Reconnaissance Orbiter (LRO)

17

Outside the Classroom

10

NASA Centers & Facilities

134

Cryogenic Fluid Management (CFM)

3

Eugene A. Cernan

1

Technology

85

Water & Energy Cycle

5

Grades 5 - 8 for Educators

9

Science Mission Directorate

161

James H. Newman

1

4

Apollo 11

6

23

NOAA-20 (JPSS-1)

1

CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite)

1

Marshall Heliophysics & Planetary Science

8

Polar

1

Christina H. Koch

9

Early Career Faculty (ECF)

9

Transformative Aeronautics Concepts Program

16

GALEX (Galaxy Evolution Explorer)

2

Read it!

3

Earth's Magnetic Field

4

STS-99

1

3

Gemini IX

1

Robert D. Cabana

2

ILLUMA-T

1

Space Nuclear Propulsion (SNP)

2

AIM (Aeronomy of Ice in the Mesosphere)

1

Near Space Network

4

Benefits Back on Earth

3

Magnetars

2

People of Johnson

44

DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging)

3

Exoplanet Transits

7

Terrestrial Planets

1

2

Flight Innovation

24

Greenhouse Gases

9

SERVIR (Regional Visualization and Monitoring System)

4

STS-128

1

Armstrong Flight Research Center

105

Laser Communications Relay

3

Office of the Chief Financial Officer (OCFO)

3

Center Innovation Fund

3

Messier Catalog

1

Protostars

13

Comets

10

LOFTID (Low-Earth Orbit Flight Test of an Inflatable Decelerator)

1

Opportunities to Contribute to NASA Missions & Get Involved

20

Missions

296

Radial Velocity

2

Compton Gamma Ray Observatory (CGRO)

1

Electromagnetic Spectrum

5

Supersonic Flight

22

Virgil I. Grissom

2

Goddard Institute for Space Studies

15

SAGE III (Stratospheric Aerosol and Gas Experiment)

1

International Space Station Division

7

Spiral Galaxies

60

Ames Space Biosciences

11

Johnson Flight Operations

1

5

Brewster H. Shaw Jr.

1

Mars Exploration Program

6

Planetary Defense Coordination Office

24

Digital Transformation (DT)

7

Explore

4

The Sun & Solar Physics

2

Franklin R. Chang-Díaz

1

Hi-Rate Composite Aircraft Manufacturing

3

Small Spacecraft Technology Program

15

STS-66

1

Asian American and Native Hawaiian Pacific Islander Heritage

5

Game Changing Development Program

32

Red Dwarfs

1

Humans in Space

296

Solar Wind

11

Advanced Plant Habitat (APH)

3

NASA Shared Services Center

13

Astrophysics Pioneers

1

9

Owen K. Garriott

1

NASA Directorates

32

Cryosphere

4

Europa

28

Technology Demonstration

13

23

7

Science of Space Exploration

1

Stennis Space Center

96

Apollo 12

3

Katherine Johnson IV and V Facility

3

Northrop Grumman Commercial Resupply

15

Candidate Astronauts

8

Marshall Science Projects

7

Polarimeter to Unify the Corona and Heliosphere (PUNCH)

9

CIPHER (Complement of Integrated Protocols for Human Exploration Research)

1

Early Stage Innovations (ESI)

3

Trojan Asteroids

3

Commercial Crew

81

93

Studying Exoplanets

17

USGS (United States Geological Survey)

3

Gemini VI

1

Robert L. Crippen

1

IMAP (Interstellar Mapping and Acceleration Probe)

1

Space Operations Mission Directorate

42

Air Mobility Pathfinders project

5

Near-Earth Asteroid (NEA)

10

Bennu

4

4

People of Marshall

2

Dawn

3

Exoplanets

64

TESS (Transiting Exoplanet Survey Satellite)

14

WISE (Wide-field Infrared Survey Explorer)

10

Flight Opportunities Program

19

GUSTO (Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory)

3

Seyfert Galaxies

4

STS-129

2

Armstrong Test Facility (Plum Brook)

4

Laser Interferometer Gravitational Wave Observatory (LIGO)

3

Office of the Chief Health and Medical Officer (OCHMO)

3

Center of Excellence for Collaborative Innovation (CoECI)

31

Meteors & Meteorites

1

Psyche Asteroid

7

Associate Administrator Awards

5

8

Opportunity (Rover)

3

Modeling

3

Radioisotope Power Systems (RPS)

13

1

Elliptical Galaxies

5

1

Virtual Guest Program

11

Goddard Space Flight Center

523

SAGE-III Meteor-3M (Stratospheric Aerosol and Gas Experiment III on Meteor-3M)

1

16

4

Analog Field Testing

7

Johnson Space Center

298

8

7

Mars Exploration Rovers (MER)

3

Planetary Environments & Atmospheres

5

Discovery Program

2

Extreme Weather Events

6

274

Fruit Fly Lab (FFL)

1

High-Tech Computing

9

SmallSats Program

4

STS-68

1

2017 Solar Eclipse

3

Gamma Rays

7

Red Giants

1

Hurricanes & Typhoons

4

Sounding Rockets

20

Advanced Space Suits

2

NASA Socials Program

3

Atmospheric Composition

1

Lunar Surface Innovation Consortium

7

5

NASA en español

36

CubeSat Launch Initiative

15

28

Technology Demonstration Missions Program

11

Weather and Atmospheric Dynamics

7

Grades 9-12 for Educators

10

Science-enabling Technology

44

Stennis Test Facility and Support Infrastructure

3

Apollo 14

2

Kathleen Rubins

2

Nova-C (Lander)

1

4

Marshall Science Research & Projects

48

Potentially Hazardous Asteroid (PHA)

3

Citizen Science

81

Earth

195

Tropospheric Emissions: Monitoring of Pollution (TEMPO)

8

Commercial Lunar Payload Services (CLPS)

85

Earth's Vital Signs

1

Sunita L. Williams

5

Van Allen Probes

1

Gemini XI

1

Robert L. Gibson

1

In-flight Education Downlinks

21

16

Air Traffic Control Labs

2

Nebulae

38

1

Magnetospheric Multiscale (MMS)

2

129

DC-8

6

1

4

27

Floods

4

Hayabusa 2

1

Shuttle Radar Topography Mission (SRTM)

2

STS-34

1

Artemis

237

Launch Services Office

8

Office of the Chief Information Officer (OCIO)

4

Ceres

2

Michael J. Foreman

1

13

Asteroids

37

Low Boom Flight Demonstrator

16

24

Moderate Resolution Imaging Spectroradiometer (MODIS)

6

Raja Chari

3

Convergent Aeronautics Solutions

3

Emission Nebulae

1

Sustainability at Kennedy Space Center

10

Visible Infrared Imaging Radiometer Suite (VIIRS)

1

Goddard Technology

12

Saturn

19

Investigation of Convective Updrafts (INCUS)

1

Spitzer Space Telescope

10

5

Johnson's Mission Control Center

4

23

Bruce McCandless

2

2

Planetary Geosciences & Geophysics

7

Diversity at NASA

24

EZIE (Electrojet Zeeman Imaging Explorer)

2

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

1

Fundamental Physics

1

Hispanic Heritage Month

6

6

STS-80

1

2023 Solar Eclipse

9

Gamma-Ray Bursts

10

Research and Technology at Kennedy Space Center

15

Hybrid Thermally Efficient Core

2

Sounding Rockets Program

15

13

NASA Space Technology Graduate Research Opportunities (NSTGRO)

1

Atmospheric Waves Experiment (AWE)

2

Lunar Surface Innovation Initiative

8

PACE (Plankton, Aerosol, Cloud, Ocean Ecosystem)

23

NASA Engineering & Safety Center Academy

1

CubeSats

28

Events

16

Technology for Living in Space

4

What We Do

8

6

Scientific Balloons

14

Stephen G. Bowen

4

Apollo 15

1

Kathryn C. Thornton

1

NuSTAR (Nuclear Spectroscopic Telescope Array)

3

Careers

10

Marshall Space Flight Center

277

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

8

54

Earth Day

5

Tsunamis

1

Commercial Resupply

33

Earth-like Exoplanets

4

SunRISE (Sun Radio Interferometer Space Experiment)

3

Vegetable Production System (VEGGIE)

1

General

544

Robert L. Satcher Jr.

1

In-Situ Resource Utilization (ISRU)

2

Space Sustainability

1

Air Traffic Management - Exploration

17

Neil Gehrels Swift Observatory

9

9

Manufacturing, Materials, 3-D Printing

1

Perseids

1

Deep Space Climate Observatory (DSCOVR)

3

3

The Future of Commercial Space

12

Women's History Month

17

For Colleges & Universities

39

110

SimLabs

2

STS-41B

3

Artemis 1

13

Launch Services Program

36

Office of the Chief Scientist (OCS)

1

Chandra X-Ray Observatory

56

Michael R. Barratt

2

Pulsars

11

2024 Solar Eclipse

46

23

Low Earth Orbit Economy

19

Origin & Evolution of the Universe

12

Moons

4

1

EMIT (Earth Surface Mineral Dust Source Investigation)

6

Sustainable Aviation

2

Volcanoes

5

GOES (Geostationary Operational Environmental Satellite)

13

11

Io

3

Spot the International Space Station

3

Andrew S.W. Thomas

1

Joint Agency Satellite Division

4

NICER (Neutron star Interior Composition Explorer)

8

Budget & Annual Reports

4

Mars Moons

5

Planetary Nebulae

6

Doing Business with NASA

2

Thomas P. Stafford

3

FutureFlight Central

1

Horsehead Nebula

1

SOFIA (Stratospheric Observatory for Infrared Astronomy) / 747-SP

2

Ganymede

1

Research Opportunities in Space and Earth Sciences (ROSES)

3

Hypersonic Technology

5

Sounds & Ringtones

1

134

NASA STEM Projects

8

Audio

6

Lunar Surface Technology Research

1

Pamela A. Melroy

8

NASA Engineering and Safety Center

34

Curiosity (Rover)

21

Everyday Extraordinary Stories

1

Technology for Space Travel

15

2

Grades K - 4 for Educators

9

Sea Ice

5

STEREO (Solar TErrestrial RElations Observatory)

2

Apollo 16

1

Kennedy Space Center

211

2

1

Marshall Test Facility and Support Infrastructure

1

Private Astronaut Missions

3

Climate Modeling

1

Earth Observatory

12

UAS Traffic Management

2

Commercial Space

81

2

Sunspots

4

Venus

10

Geospace Dynamics Constellation (GDC)

1

Robotics

12

2

Space Technology Mission Directorate

132

Air Traffic Solutions

11

James Webb Space Telescope (JWST)

117

NEO Surveyor (Near-Earth Object Surveyor Space Telescope)

10

4

1

Perseverance (Rover)

24

Deep Space Network

7

54

The Great Red Spot

1

X-ray Astronomy

1

13

Heliophysics Division

49

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

1

STS-41D

1

Artemis 2

85

Leadership

6

Office of the General Counsel (OGC)

36

1

Michael S. Hopkins

1

Quasars

4

AcrimSat (Active Cavity Irradiance Monitor Satellite)

1

Astrogram

8

Low-Earth Orbit Economy

10

Orion Multi-Purpose Crew Vehicle

35

MOSAICS

1

Coronal Diagnostic Experiment (CODEX)

2

Enceladus

2

Sustainable Flight Demonstrator

6

Voyager 1

8

GOES-R

3

SBIR STTR

7

Ionosphere

9

13

Andromeda Galaxy

6

Joint Polar Satellite System (JPSS)

1

4

BurstCube

4

5

Planetary Science

77

Donald R. Pettit

4

Titan

1

G. Reid Wiseman

9

Hubble Space Telescope

188

SOHO (Solar and Heliospheric Observatory)

4

Gas Giant Exoplanets

14

Revolutionary Vertical Lift Technology

3

17

9

Aeronautics Research

6

NASA+

3

Aura

2

Lunar Trailblazer

4

Parker Solar Probe (PSP)

8

NASA Headquarters

94

CYGNSS (Cyclone Global Navigation Satellite System)

1

ExoMars

3

Technology Highlights

30

White Sands Test Facility

18

GRAIL (Gravity Recovery And Interior Laboratory)

1

3

Strategic Integration and Management Division

1

Apollo 8

3

4

4

Carlos I. Noriega

1

Martian Moon Exploration (MMX)

2

Prizes, Challenges & Crowdsourcing

6

Climate Science

7

155

53

Commercial Space Division

1

Eclipses

39

Suomi NPP (Suomi National Polar-orbiting Partnership)

4

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

3

1

Ronald E. McNair

1

Infrared Space Observatory (ISO)

1

Space Technology Research Grants

16

Airborne Science

23

Jasmin Moghbeli

11

NEOWISE

8

Biological & Physical Sciences

32

Mariner 3

1

Phobos

3

Deep Space Optical Communications (DSOC)

6

7

The Human Body in Space

2

2

For Kids and Students

28

Heliophysics Research Program

3

Skylab

6

STS-51A

1

Artemis 3

30

Learning Resources

125

1

Charles F. Bolden Jr.

1

Michoud Assembly Facility

30

25

Active Galaxies

12

8

Lucy

7

14

MUREP

10

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184

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53

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11

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75

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141

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33

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48

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55

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22

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16

3

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