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Space Astro
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Info for exoplanet "Hali Palca Greip"
| Scientific (actual) data |
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| Name | CFHT-Hy-21 |
| Planet status | Confirmed |
| Planet mass | 34 |
| Discovered | 2008 |
| Updated | 2024-07-01 |
| Publication | Published in a refereed paper |
| Detection type | Imaging |
| Alternate names | Cl* Melotte 25 CFHT 21 |
| Right ascension | 67.35° |
| Declination | 15.59° |
| Star distance | 29.9 |
| Wikipedia article | CFHT-Hy-21 |
Back
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| Fictional info (?) |
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| Suggested name | Hali Palca Greip |
| Planet type | Huge cold gas giant |
| It has the longest rotation period (445 days) of any planet in its solar system and rotates in the opposite direction to most other planets.
It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on. |
| Atmosphere | Argon | 71% |
| Hydrogen deuteride (HD) | 28% |
| Carbon monoxide | 0.069% |
| Molecular hydrogen | 0.0088% |
| Carbon dioxide | 0.0021% |
| Atmospheric pressure | 60 bar |
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| No known satellites |
| Google search for Hali palca greip |
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Website by Joachim Michaelis
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