• Edpuzzle: Stars!

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    1. A ___________ is the result when you divide the light from an incoming object into different wavelengths.
    2. Stars emit light at ____ wavelengths.
    3. Cecelia Payne-Gaposchkin was the physicist who was able to put everything together, showing that the spectra of stars depended on the
    4. What are the first and second most abundant elements in a star?
    5. Cannon and Gaposchkin’s classification system is still used today. It arranges stars by their _______________, assigning each a letter: O, B, A, F, G, K, M.
    6. Each letter group is divided into ______ subgroups.
    7. The sun is classified as a ________ star.
    8. Because of the way our eyes see color, there are no ___________ stars. The sun actually peaks in the green range, however the light from the sun is ________.
    9. _____________ is how much light a star is actually giving off.
    10. The best way to study a large group of objects is to look for ___________.
    11. The H-R diagram is the single most important graph in all of astronomy.
    12. A star that fuses hydrogen faster will be...
    13. The stars on the lower left are called ____________________________
    14. The stars on the upper right are called red or super _________.
    15. Massive stars age the same as low-mass stars.