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NASA’s Simulated Mars Mission Marks 200 Days Inside Habitat

The four crew members of NASA’s Mars simulation recently marked 200 days into their 378-day Red Planet mission on May 7. Currently, the crew is in a simulated two‑week loss‑of‑signal period that mimics a Mars-Earth communications blackout when Mars moves behind the Sun.

Posted May 7, 2026

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4

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23

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46

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1

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1

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4

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6

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4

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1

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78

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8

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51

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6

4

17

55

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5

2

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4

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1

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20

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3

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2

1

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3

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1

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6

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3

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1

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15

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10

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3

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1

Thomas P. Stafford

3

Mariner 4

2

4

NASA Safety Center

3

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50

Andrew S.W. Thomas

1

2

Bob Hines

1

TREAT Astronauts Act

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1

1

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68

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23

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6

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21

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1

1

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6

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2

5

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32

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95

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5

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6

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40

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18

Exosphere

2

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237

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2

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4

Robert D. Cabana

2

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1

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5

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11

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4

8

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2

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2

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9

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3

University Leadership Initiative

7

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17

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1

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6

Radial Velocity

2

STS-65

1

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31

Missions

362

Kathleen Rubins

2

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11

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4

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3

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1

Edward G. Gibson

1

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1

WB-57

3

Explore

7

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

3

Planetary Defense Coordination Office

27

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77

SAGE III (Stratospheric Aerosol and Gas Experiment)

1

William R. Pogue

1

Flight Innovation

45

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7

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9

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11

4

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228

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347

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4

7

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7

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5

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386

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5

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4

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2

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1

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1

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10

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22

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16

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21

41

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163

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1

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30

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6

Benefits to Science

1

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4

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4

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1

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1

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13

Leadership

13

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8

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4

Brand Partnerships

1

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5

5

Heliophysics Research Program

6

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12

69

Psyche Asteroid

8

STS-128

1

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2

Joint Agency Satellite Division

4

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2

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1

Commercial Resupply

49

Asteroids

48

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5

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10

Voyager 1

8

1

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2

Perseverance (Rover)

42

Space Operations Mission Directorate

60

Robert L. Crippen

1

Supernova Remnants

8

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