11. She constructed a spectroscope after finding inspiration in articles on astronomy in the periodical Good Words. 12. When examined with a spectroscope a strong vanadium absorption line at 475 nm will be apparent. 13. He also devised a method of determining the percentages of phosphorus in steel using a spectroscope . 14. The second satellite was termed dark because it eluded the telescopes or analytical spectroscopes of Astronomers. 15. By October of that year the two scientists had invented an appropriate instrument, a prototype spectroscope . 16. Previous studies with infrared spectroscopes have provided evidence of small amounts of chemically or physically bound water. 17. The basic spectrohelioscope is a complex machine that uses a spectroscope to scan the surface of the sun. 18. If you shone a laser through the array of spectroscopes you could reconstruct the scenario in the drawing. 19. His second solo album, " Spectroscope ", was named 2011 album of the year. 20. :In the lab one can use a rather large spectroscope machine and look for their respective signatures.
