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APOD

APOD: 2026 August 22 – Mostly Perseids

APOD Science APOD APOD: 2026 August 22… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   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.
Posted August 22, 2026
Eclipses
Heliophysics
Solar Eclipses
The Sun
The Sun & Solar Physics

NASA Shares Views of August Solar Eclipse from Ground, Air, Space

On Aug. 12, a total solar eclipse darkened skies over Greenland, Iceland, and Spain. As the Moon covered the Sun, it briefly revealed the Sun’s wispy outer atmosphere — the corona — to those in the path of totality who were lucky enough to have clear skies. NASA researchers and photographers were along the eclipse […]
Posted August 21, 2026
NASA Engineering and Safety Center

TB 26-04 Updates and Modernization of NASA’s Chemical Equilibrium with Applications (CEA) Code

For more information, contact Mark K. Leader, Glenn Research Center, mark.leader@nasa.gov Download the PDF version NASA’s Chemical Equilibrium with Applications (CEA) code is a foundational tool for propulsion system analysis.
Posted August 21, 2026
James Webb Space Telescope (JWST)
Nebulae

Webb Opens Treasure Chest

NASA’s James Webb Space Telescope captured this Aug. 6, 2026, infrared image of part of the Carina Nebula, a star-forming region also home to the Cosmic Cliffs. This feature, called the “Treasure Chest,” is an object known as a cometary globule. A cometary globule is an isolated cloud of gas and dust with a dense, […]
Posted August 21, 2026
Artemis 2

NASA’s Artemis II Crew Set to Receive Congressional Space Medal of Honor

President Donald J. Trump will award each of NASA’s Artemis II crew members the Congressional Space Medal of Honor at 11 a.m. EDT on Friday, Aug. 28, during a ceremony at the agency’s Johnson Space Center in Houston. NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, […]
Posted August 21, 2026
Earth
Earth Observatory
Extreme Temperatures
Extreme Weather Events

Europe’s Scorching Summer

A series of heat waves in 2026 is breaking records and taking a toll in Europe.
Posted August 21, 2026
Earth

SmallSat 2026

SmallSat 2026 Join NASA in the Exhibit Hall (Booth # 635, 835, 641, and 940) for Storytelling by NASA experts. Full Agenda below.
Posted August 20, 2026

Artemis Mission Patches

A jacket decorated with Artemis I and II mission patches, along with other NASA patches hangs on the back of a chair on Thursday, Aug. 6, 2026, inside the Rocco A. Petrone Launch Control Center at NASA’s Kennedy Space Center in Florida during a terminal countdown simulation for the Artemis III mission. NASA’s Exploration Ground […]
Posted August 20, 2026
Aeronautics
Aeronautics Research Mission Directorate
Flight Innovation
Research and Technology Mission Directorate
Transformative Aeronautics Concepts Program
University Innovation
University Leadership Initiative
University Student Research Challenge

NASA Selects University Teams to Help Advance Aviation Research

NASA has selected four university teams to help the agency transform the future of aviation through projects ranging from high-supersonic propulsion systems to low-noise routes for small aircraft flying through cities.
Posted August 20, 2026
NASA History
Gemini
Project Mercury

The View from Above: The Gemini Visual Acuity Experiments

NASA astronaut L. Gordon Cooper, Jr. took 29 color photographs of the Earth with a 70mm camera as he orbited our planet during the Mercury-Atlas 9 mission in May 1963. Cooper’s view from the window of his Faith 7 spacecraft was spectacular, and he reported that he could see vehicles motoring on dirt roads, smoke-belching trains, […]
Posted August 20, 2026
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54
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1
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66
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1
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21
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4
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95
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2
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6
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21
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1
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46
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34
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7
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12
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1
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5
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27
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1
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1
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2
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1
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2
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4
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2
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6
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9
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1
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8
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3
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11
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386
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2
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1
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3
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1
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1
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1
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18
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10
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3
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26
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1
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4
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88
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2
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1
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1
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40
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78
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17
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4
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26
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3
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1
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28
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3
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29
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1
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5
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45
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5
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14
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5
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1
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3
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22
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2
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1
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2
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7
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1
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4
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69
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1
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1
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1
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6
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5
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4
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1
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39
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4
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8
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4
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30
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1
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3
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95
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4
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29
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1
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5
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1
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4
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7
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49
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114
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5
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1
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4
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1
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12
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58
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18
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2
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141
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52
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1
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2
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4
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1
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3
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1
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82
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2
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7
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2
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8
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31
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105
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186
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73
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5
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4
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1
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2
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2
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1
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2
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45
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2
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18
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31
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7
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3
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1
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10
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42
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8
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14
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18
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3
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19
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4
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3
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10
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8
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1
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2
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3
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7
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1
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1
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21
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1
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20
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19
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2
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4
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6
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6
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3
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2
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1
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5
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1
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8
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78
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1
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1
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1
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7
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1
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2
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1
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19
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19
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2
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1
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237
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2
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136
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11
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545
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100
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4
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7
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8
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3
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59
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7
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232
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1
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23
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68
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2
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1
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6
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3
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17
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2
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1
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6
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51
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4
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3
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4
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7
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11
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3
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3
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2
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1
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2
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3
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76
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2
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3
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6
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1
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50
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17
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7
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72
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3
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1
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6
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1
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10
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1
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3
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1
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157
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16
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22
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10
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3
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1
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2
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2
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5
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45
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7
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7
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10
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13
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5
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17
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4
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8
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2
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3
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146
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69
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6
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1
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5
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4
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7
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5
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1
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18
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2
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11
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2
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1
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6
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10
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60
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36
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34
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361
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11
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8
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4
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7
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5
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4
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6
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1
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4
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6
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21
Carlos I. Noriega
1