Space Exploration

noun The Milky Way is a barred spiral galaxy in the Local Group of galaxies.

• The Milky Way is a spiral galaxy that contains our solar system.
• I love stargazing and trying to spot the Milky Way in the night sky.
• The Milky Way is like a big cosmic highway with stars all around.
• Her eyes sparkled like distant stars in the Milky Way.

noun a chemical element with the symbol O and atomic number 8, a colorless, odorless reactive gas that is essential for life

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• Plants absorb carbon dioxide and release oxygen during photosynthesis.
• I feel so much better after taking a deep breath of fresh oxygen.
• I need some O2 to clear my head.
• His presence is like a breath of fresh oxygen in this stale office environment.

noun a type of galaxy characterized by a central bulge and spiral arms extending from the center

• A spiral galaxy is a type of galaxy characterized by its spiral arms containing stars, gas, and dust.
• Did you know that our Milky Way is a spiral galaxy?
• Check out that dope spiral galaxy picture I found online!
• Her thoughts were like a whirlwind in a spiral galaxy, constantly swirling and changing direction.