The star-gas-star cycle will keep the Milky Way looking just as bright in 100 million years as it looks now. This statement does not make sense. The blowouts of gas from the disc will deplete the gas from the disc of the Milky Way in about 10 million years. This statement makes sense. Disk of the Milky Way consist enough gas to sustain a few billion years of star formation. O This statement makes sense. Most of the bright stars of spiral arms have light expentancies significantly greater than 100 million years. O This statement does not make sense. The brightest stars of spiral arms of the Milky Way have life expentancies of about 10 million years. O

The star-gas-star cycle will keep the Milky Way looking just as bright in 100 million years as it looks now. This statement does not make sense. The blowouts of gas from the disc will deplete the gas from the disc of the Milky Way in about 10 million years. This statement makes sense. Disk of the Milky Way consist enough gas to sustain a few billion years of star formation. O This statement makes sense. Most of the bright stars of spiral arms have light expentancies significantly greater than 100 million years. O This statement does not make sense. The brightest stars of spiral arms of the Milky Way have life expentancies of about 10 million years. O