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Scientific Balloons

Scientific Balloon Begins Antarctic Ascent

A scientific balloon starts its ascent into the air as it prepares to launch carrying NASA’s Payload for Ultrahigh Energy Observations (PUEO) mission. The mission lifted off from Antarctica at 5:56 a.m. NZST, Saturday, Dec. 20 (11:56 a.m., Friday, Dec. 19 in U.S. Eastern Time). The PUEO mission is designed to detect radio signals created […]
Posted January 5, 2026
Earth Observatory
Landsat 9

An Amphitheater of Rock at Cedar Breaks

The colorful formations found in this bowl-shaped escarpment in southwestern Utah are the centerpiece of Cedar Breaks National Monument.
Posted January 5, 2026
Spiral Galaxies

Hubble Glimpses Galactic Gas Making a Getaway

A sideways spiral galaxy shines in this NASA/ESA Hubble Space Telescope image. Located about 60 million light-years away in the constellation Virgo (the Maiden), NGC 4388 is a resident of the Virgo galaxy cluster. This enormous cluster of galaxies contains more than a thousand members and is the nearest large galaxy cluster to the Milky Way.
Posted January 2, 2026
Uncategorized

2026 AAS Town Hall Schedule

247th American Astronomical Society (AAS) Meeting SATURDAY, JANUARY 3 8:30AM – 6:0PM  NASA’s Exoplanet Exploration Program Analysis Group (ExoPAG) 301DJosh Pepper, Dawn Gelino, Karl Stapelfeldt, Nick Siegler, Jessie Christiansen SUNDAY, JANUARY 4 8:30AM – 12:15PM  NASA’s Exoplanet Exploration Program Analysis Group (ExoPAG) 301D9:00AM – 2:00PMNASA’
Posted December 31, 2025
Uncategorized

2026 AAS Hyperwall Schedule

247th American Astronomical Society (AAS) Meeting Join NASA in the Exhibit Hall (Booth #401) for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda below.
Posted December 31, 2025
Curiosity (Rover)
Mars

Curiosity Sends Holiday Postcard from Mars

Team members working with NASA’s Curiosity Mars rover created this “postcard” by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian days, or sols, of the mission. The panoramas were captured at 4:15 p.m. on Sol 4,722 and […]
Posted December 30, 2025
Human Health and Performance

Microbiology

Microorganisms and Spaceflight Spaceflight poses a risk of adverse health effects due to the interactions between microorganisms, their hosts, and their environment.
Posted December 30, 2025
Chandra X-Ray Observatory
Astrophysics
Galaxies
Galaxy clusters
Marshall Astrophysics
Marshall Space Flight Center
The Universe

NASA’s Chandra Rings in New Year With Champagne Cluster

Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster Dec. 31, 2020.
Posted December 30, 2025
Earth Science

The Earth Observer: Offering Perspectives from Space through Time

An Intertwined History: The Earth Observer and EOS The Earth Observer, a newsletter issued for nearly 37 years, will release its last online content at the close of 2025. This newsletter evolved in parallel with NASA’s Earth Observing System (EOS). It is almost impossible to speak of this newsletter without mentioning EOS.
Posted December 30, 2025
Earth Science

Terra: The End of An Era

Introduction Launched into the night sky more than 26 years ago, on Dec.
Posted December 30, 2025
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1
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12
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15
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11
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7
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3
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15
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3
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406
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2
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4
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34
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1
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5
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35
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5
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1
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360
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2
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3
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4
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2
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12
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45
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271
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6
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35
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1
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12
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7
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12
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57
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5
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17
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6
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5
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3
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6
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19
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7
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20
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3
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26
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8
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54
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12
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5
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3
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103
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179
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8
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18
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5
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27
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22
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32
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124
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6
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2
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2
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97
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7
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6
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12
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1
Gemini VI
1
William A. Anders
2
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19
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17
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4
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4
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145
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1
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21
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10
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7
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226
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6
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29
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40
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31
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2
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10
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5
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11
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1
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45
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2
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7
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24
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17
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6
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3
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4
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4
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10
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22
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15
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8
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1
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4
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10
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1
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3
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1
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149
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13
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10
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2
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143
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1
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41
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1
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1
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1
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4
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1
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1
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1
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5
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14
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2
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5
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66
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4
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2
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1
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1
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7
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21
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7
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4
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2
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2
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14
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7
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29
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8
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7
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8
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10
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4
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24
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6
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36
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5
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6
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13
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2
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5
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6
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29
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29
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23
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16
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13
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14
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3
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30
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245
Jessica U. Meir
3
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4