Interferometer, Orology, Yugoslavia, Crown Jewels....

1. Anaemia is caused to the deficiency of Iron.
2. Apollo II's landing module was called 'Eagle'.
3. Apollo 11's communal module was called Columbia.
4. Infra Dignitatem means Beneath one's dignity.  
5. The wavelength of light is measured by interferometer.
6. Orology is the scientific study of  mountains.
7. In Yugoslavia a pig is brought into the house for good luck on New Years Eve.
8. The planet surrounded by rings is Saturn.
9. The creatures which accompany sharks and ships is Pilot fish. 
10. In London the Crown Jewels are kept in the Tower of London.