PTE Listening
Fill in the Blanks
1 questions. Answer them all, then submit once for your section score.
1 of 1Time Remaining00:06:00
1.
Fill in the Blanks
You will hear a recording. Type the missing word in each blank exactly as you hear it.
Astronomers classify stars according to surface , which determines their color and spectral . A blue star burns far hotter than a red one, and this temperature also influences , since hotter surfaces radiate more energy per unit area across the electromagnetic .