| Autor: |
Soter SL |
| Jazyk: |
angličtina |
| Zdroj: |
Science (New York, N.Y.) [Science] 1966 Sep 02; Vol. 153 (3740), pp. 1112-3. |
| DOI: |
10.1126/science.153.3740.1112 |
| Abstrakt: |
An infrared observation of the dark side of Mercury made by Pettit and Nicholson in 1923 led them to suggest that the planet rotates nonsynchronously. Their early measurements, if taken at face value, would imply a brightness temperature of about 180 degrees K for the dark side. The asymmetry of the infrared phase curve is further interpreted as suggesting direct rotation. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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