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galaxy
composed
gas
dust
stars
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-billions
billions
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Citation
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MLA Style Citation
"A quote by Dr. Carl Sagan" theysaidso.com, 2024. May 03, 2024. https://theysaidso.com/quote/dr-carl-sagan-a-galaxy-is-composed-of-gas-and-dust-and-stars-billions-upon-billi
APA Style Citation
"A quote by Dr. Carl Sagan" (n.d.). theysaidso.com. Retrieved May 03, 2024, from theysaidso.com web site : https://theysaidso.com/quote/dr-carl-sagan-a-galaxy-is-composed-of-gas-and-dust-and-stars-billions-upon-billi
Chicago Style Citation
"A quote by Dr. Carl Sagan". theysaidso.com, 2024. https://theysaidso.com/quote/dr-carl-sagan-a-galaxy-is-composed-of-gas-and-dust-and-stars-billions-upon-billi , accessed May 03, 2024.