What is The Galaxy ?
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ᴀ ɢᴀʟᴀxʏ ɪs ᴀ ʜᴜɢᴇ ᴄᴏʟʟᴇᴄᴛɪᴏɴ ᴏғ ɢᴀs, ᴅᴜsᴛ, ᴀɴᴅ ʙɪʟʟɪᴏɴs ᴏғ sᴛᴀʀs ᴀɴᴅ ᴛʜᴇɪʀ sᴏʟᴀʀ sʏsᴛᴇᴍs, ᴀʟʟ ʜᴇʟᴅ ᴛᴏɢᴇᴛʜᴇʀ ʙʏ ɢʀᴀᴠɪᴛʏ. ... ɪᴛ's ᴀ sᴍᴀʟʟ ᴘᴀʀᴛ ᴏғ ᴛʜᴇ ᴍɪʟᴋʏ ᴡᴀʏ ɢᴀʟᴀxʏ. ᴀ ɢᴀʟᴀxʏ ɪs ᴀ ʜᴜɢᴇ ᴄᴏʟʟᴇᴄᴛɪᴏɴ ᴏғ ɢᴀs, ᴅᴜsᴛ, ᴀɴᴅ ʙɪʟʟɪᴏɴs ᴏғ sᴛᴀʀs ᴀɴᴅ ᴛʜᴇɪʀ sᴏʟᴀʀ sʏsᴛᴇᴍs. ᴀ ɢᴀʟᴀxʏ ɪs ʜᴇʟᴅ ᴛᴏɢᴇᴛʜᴇʀ ʙʏ ɢʀᴀᴠɪᴛʏ.
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A galaxy is a collection of stars and planets that are held together by gravity. In a galaxy, the celestial bodies rotate around a central object. The Earth's galaxy is known as the Milky Way. Our solar system, made up of the Sun and the planets that encircle it, is a tiny part of that galaxy.
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