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capital letters with seasons and planets




Use a capital letter when writing the name of a moon, a star or a planet. Our moon is called The Moon, and our star is called The Sun.  This is where confusion arises.
 


Capital Letters, The Moon and The Sun

Like all proper nouns, the names of moons, stars and planets are written with capital letters. However, confusion arises because the name of the moon orbiting Earth is called The Moon, and the sun of our solar system is called The Sun.  Therefore, the words to denote our moon and our sun can be either proper nouns or common nouns depending on context.

Examples:

The largest moon orbiting Jupiter is Ganymede.
(moon - common noun / Ganymede - proper noun, i.e., name of the moon)

The moon orbiting Earth is The Moon.
(first moon - common noun / The Moon - proper noun, i.e., name of the moon)

Are all suns as hot as The Sun?
(suns - common noun / The Sun - proper noun, i.e., name of the sun)
grammar tips
CAPITAL T ON THE? 

When a name starts with "The", it should be written with a capital letter (e.g., The Sex Pistols).  However, there is a lot of leniency on this ruling, particularly with regard to The Sun and The Moon.

Does the Moon invoke romance?
Does The Moon invoke romance?

See also:

Capital letters in advertisements
Capital letters for the seasons
Capital letters and the points of the compass
Using capital letters with proper and common nouns
Capital letters start sentences
What is title case?
Test on using capital letters

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