Should "Share your magic with the Universe" capitalize Universe?

capitalization nouns proper-nouns

Solution 1:

According to the National Aeronautics and Space Administration style guide:

Astronomical Bodies:

Capitalize the names of planets (e.g. Earth, Mars, Jupiter). Capitalize moon when referring to Earth's Moon, otherwise lowercase moon (e.g. the Moon orbits the Earth, Jupiter's moons). Do not capitalize solar system and universe.

The International Astronomical Union style guide (page S30) says that the first letter should be capitalized for "individual astronomical objects (such as Earth, the Solar System, Orion, the Crab Nebula, Galatic Center)". As you stated, the universe is not mentioned. It would be a stretch to characterise the universe as an individual astronomical object but I will leave that up to your judgement.

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