Open Clusters | Simple Site

Chandra X-Ray Observatory

NASA’s Chandra Finds Young Stars Dim Quickly

These images, released on April 14, 2026, show two open star clusters, Trumpler 3 (left) and NGC 2353 (right). They represent a recent study from NASA’s Chandra X-ray Observatory that shows how young Sun-like stars are dimmer in X-rays than previously thought. This latest study looked at eight clusters of stars between the ages of […]

Posted April 23, 2026

Hubble Space Telescope

James Webb Space Telescope (JWST)

Stars

NASA’s Hubble and Webb Telescopes Reveal Two Faces of a Star Cluster Duo

A riotous expanse of gas, dust, and stars stake out the dazzling territory of a duo of star clusters in this combined image from NASA’s Hubble and Webb space telescopes. Open clusters NGC 460 and NGC 456 reside in the Small Magellanic Cloud, a dwarf galaxy orbiting the Milky Way. Open clusters consist of anywhere […]

Posted July 7, 2025

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47

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23

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2

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1

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7

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9

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2

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5

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6

1

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5

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3

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6

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1

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8

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1

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3

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3

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2

133

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1

3

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5

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2

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1

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10

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9

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3

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40

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12

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3

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1

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1

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4

33

5

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5

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3

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9

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2

2

42

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15

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1

6

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8

3

3

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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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16

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3

11

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3

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10

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7

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4

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1

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1

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4

11

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19

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3

26

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3

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34

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47

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2

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29

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3

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1

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2

35

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22

9

1

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3

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6

7

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159

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2

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10

1

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2

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11

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9

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75

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5

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17

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7

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3

6

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4

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1

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59

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1

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2

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4

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12

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1

1

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6

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3

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2

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2

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1

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6

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21

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1

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1

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1

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3

20

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25

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5

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151

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18

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7

1

1

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9

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17

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1

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1

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2

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43

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51

7

54

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13

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17

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7

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