File:Ngc6633.jpg
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Summary
| Description |
English: NGC 6633 is an open cluster in the constellation Ophiuchus, sometimes known as the Tweedledum Cluster. At a distance of about 1000 light-years, the cluster appears nearly as large as the full moon. NGC 6633 contains about 30 young hot blue stars with an age of about 600 million years. This does not seem very young until we compare to our Sun's age of about 4.5 billion years. |
| Date | |
| Source | Own work |
| Author | BobFranke |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:32, 10 August 2023 | | 900 × 600 (343 KB) | BobFranke | Uploaded own work with UploadWizard |
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