Under astronomical twilight, the horizon is not discernible and moderately faint stars or planets can be observed with the naked eye under a non light polluted sky. But to test the limits of naked eye observations, the sun needs to be more than 18 degrees below the horizon. 
New data finds that even listening to recordings of nature can boost mood, decrease stress, and even lessen pain. Enjoy the experiment.

𝘈𝘴𝘵𝘳𝘰𝘯𝘰𝘮𝘪𝘤𝘢𝘭 𝘛𝘸𝘪𝘭𝘪𝘨𝘩𝘵 𝘝1 (𝘗𝘳𝘦𝘮𝘢𝘴𝘵𝘦𝘳𝘦𝘥)

𝖣𝖩 | 𝖫𝗂𝗏𝖾 𝖠𝖼𝗍 | 𝖯𝗋𝗈𝖽𝗎𝖼𝖾𝗋

D𝖾𝖾𝗉 𝖾𝗆𝗈𝗍𝗂𝗈𝗇𝖺𝗅 𝗇𝖺𝗋𝗋𝖺𝗍𝗂𝗏𝖾𝗌 𝗐𝗂𝗍𝗁 𝗍𝖾𝖼𝗁𝗇𝗈 𝖻𝖾𝖺𝗍𝗌, 𝗈𝖿𝗍𝖾𝗇 𝖾𝗑𝗉𝗅𝗈𝗋𝗂𝗇𝗀 𝗍𝗁𝖾𝗆𝖾𝗌 𝗈𝖿 𝗌𝗈𝖼𝗂𝖺𝗅 𝖼𝗁𝖺𝗇𝗀𝖾 𝖺𝗇𝖽 𝗉𝖾𝗋𝗌𝗈𝗇𝖺𝗅 𝗋𝖾𝖿𝗅𝖾𝖼𝗍𝗂𝗈𝗇. 𝖱𝖾𝖿𝗅𝖾𝖼𝗍𝗂𝗈𝗇𝗌 𝗈𝗇 𝗍𝗁𝖾 𝖼𝗈𝗇𝗍𝖾𝗆𝗉𝗈𝗋𝖺𝗋𝗒 𝗐𝗈𝗋𝗅𝖽, 𝗐𝗁𝗂𝖼𝗁 𝗈𝗌𝖼𝗂𝗅𝗅𝖺𝗍𝖾𝗌 𝖻𝖾𝗍𝗐𝖾𝖾𝗇 𝗆𝗈𝖽𝖾𝗋𝗇 𝖾𝗇𝗍𝗁𝗎𝗌𝗂𝖺𝗌𝗆 𝖺𝗇𝖽 𝗉𝗈𝗌𝗍𝗆𝗈𝖽𝖾𝗋𝗇 𝗂𝗋𝗈𝗇𝗒, 𝖻𝖾𝗍𝗐𝖾𝖾𝗇 𝗁𝗈𝗉𝖾 𝖺𝗇𝖽 𝗆𝖾𝗅𝖺𝗇𝖼𝗁𝗈𝗅𝗒, 𝖻𝖾𝗍𝗐𝖾𝖾𝗇 𝗇𝖺𝗂𝗏𝖾𝗍𝗒 𝖺𝗇𝖽 𝗄𝗇𝗈𝗐𝗅𝖾𝖽𝗀𝖾, 𝖾𝗆𝗉𝖺𝗍𝗁𝗒 𝖺𝗇𝖽 𝖺𝗉𝖺𝗍𝗁𝗒, 𝗎𝗇𝗂𝗍𝗒 𝖺𝗇𝖽 𝗉𝗅𝗎𝗋𝖺𝗅𝗂𝗍𝗒, 𝗍𝗈𝗍𝖺𝗅𝗂𝗍𝗒 𝖺𝗇𝖽 𝖿𝗋𝖺𝗀𝗆𝖾𝗇𝗍𝖺𝗍𝗂𝗈𝗇, 𝗉𝗎𝗋𝗂𝗍𝗒 𝖺𝗇𝖽 𝖺𝗆𝖻𝗂𝗀𝗎𝗂𝗍𝗒.

𝖨𝗇𝗇𝗈𝗏𝖺𝗍𝗂𝗏𝖾 𝗌𝗈𝗎𝗇𝖽 𝖽𝖾𝗌𝗂𝗀𝗇, 𝖾𝗑𝗉𝖾𝗋𝗂𝗆𝖾𝗇𝗍𝖺𝗅 𝖺𝗉𝗉𝗋𝗈𝖺𝖼𝗁𝖾𝗌 𝖺𝗇𝖽 𝗆𝖺𝗌𝗍𝖾𝗋𝗒 𝗈𝖿 𝗌𝗍𝗎𝖽𝗂𝗈 𝗍𝖾𝖼𝗁𝗇𝗈𝗅𝗈𝗀𝗒 𝗈𝖿𝗍𝖾𝗇 𝗉𝗎𝗌𝗁 𝗀𝖾𝗇𝗋𝖾 𝖻𝗈𝗎𝗇𝖽𝖺𝗋𝗂𝖾𝗌. 𝖨 𝗎𝗌𝖾 𝖺𝖽𝗏𝖺𝗇𝖼𝖾𝖽 𝗍𝖾𝖼𝗁𝗇𝗂𝗊𝗎𝖾𝗌 𝖺𝗇𝖽 𝗍𝗈𝗈𝗅𝗌 𝗍𝗈 𝖼𝗋𝖾𝖺𝗍𝖾 𝗎𝗇𝗂𝗊𝗎𝖾 𝗌𝗈𝗎𝗇𝖽 𝗍𝖾𝗑𝗍𝗎𝗋𝖾𝗌 𝖺𝗇𝖽 𝖾𝗑𝗉𝗅𝗈𝗋𝖾 𝗇𝖾𝗐 𝗆𝗎𝗌𝗂𝖼𝖺𝗅 𝗍𝖾𝗋𝗋𝗂𝗍𝗈𝗋𝗂𝖾𝗌, 𝖽𝗂𝖿𝖿𝖾𝗋𝖾𝗇𝗍𝗂𝖺𝗍𝗂𝗇𝗀 𝗆𝗒𝗌𝖾𝗅𝖿 𝖿𝗋𝗈𝗆 𝗆𝗈𝗋𝖾 𝗍𝗋𝖺𝖽𝗂𝗍𝗂𝗈𝗇𝖺𝗅 𝗍𝖾𝖼𝗁𝗇𝗈.

𝘈𝘴𝘵𝘳𝘰𝘯𝘰𝘮𝘪𝘤𝘢𝘭 𝘛𝘸𝘪𝘭𝘪𝘨𝘩𝘵 𝘝1 (𝘗𝘳𝘦𝘮𝘢𝘴𝘵𝘦𝘳𝘦𝘥)

𝖬𝖾𝗍𝖺𝗆𝗈𝖽𝗋𝗇