Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. Use each word only once.
1. The MAIN-SEQUENCE LIFETIME is greater for low-mass stars than it is for high-mass stars.
2. The stars known as SUPERGIANTS are the very largest and brightest of all the stars.
3. Most of the stars near the Sun are MAIN-SEQUENCE STARS.
4. Stars are classified on the basis of their spectral type and LUMINOSITY CLASS.
5. Cepheids are examples of PULSATING VARIABLE STARS.
6. WHITE DWARFS are no longer generating energy through nuclear fusion.
7. Stars that are cooler than the Sun yet 100 to 1,000 times as luminous as the Sun are classified as GIANTS