𝐑𝐄𝐓𝐑𝐎𝐆𝐑𝐀𝐃𝐄, ɪᴛ ᴅᴇsᴄʀɪʙᴇs ᴛʜᴇ ᴀᴘᴘᴀʀᴇɴᴛ ʙᴀᴄᴋᴡᴀʀᴅs ᴍᴏᴠᴇᴍᴇɴᴛ ᴏғ ᴀ ᴘʟᴀɴᴇᴛ. ɪɴ ᴛʜᴇ ʀᴇᴀʟᴍ ᴏғ ᴀsᴛʀᴏʟᴏɢʏ, ʀᴇᴛʀᴏɢʀᴀᴅᴇ ᴍᴏᴛɪᴏɴ ʜᴀs ɴᴇɢᴀᴛɪᴠᴇ ᴄᴏɴɴᴏᴛᴀᴛɪᴏɴs. ᴀs ʟᴏɴɢ ᴀs ʀᴇᴛʀᴏɢʀᴀᴅᴇ sᴇᴀsᴏɴ ɪs ʜᴀᴘᴘᴇɴɪɴɢ, ɴᴏᴛʜɪɴɢ ᴡɪʟʟ ᴡᴏʀᴋ. 𝐒𝐄𝐂𝐑𝐄𝐓𝐒 𝐔𝐍𝐕𝐄𝐈𝐋𝐄𝐃, ᴀs ғᴀᴛᴇ & ᴅᴇsᴛɪɴʏ ʟᴀᴜɢʜs.
10 parts