#natural phenomena
Light pillars are a rare optical phenomenon in which ice crystals in the atmosphere reflect sources of light in a vertical formation. Long, illuminated beams can form above or below sources of artificial or natural light due to the air being extremely cold.
#Feathursday
Check out these Types of Birds from the Old World and the New World! They come from a 1856 A. K. Johnston Physical Atlas of Natural Phenomena. This page shows the geographical division and distribution of birds over the world and Europe. It was published by William Blackwood and Sons.
(AGS) (RARE) (FOL) At.050 A-1856
[Image description: A map of the world showing bird migration patterns above a map of Europe showing bird migration patterns, framed by illustrations of birds and charts.]
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ʙᴇʜɪɴᴅ ᴛʜᴇ ɴᴀᴛᴜʀᴀʟ ʙᴇᴀᴜᴛʏ ᴏғ ᴀ ʀᴏsᴇʙᴜᴅ ᴄᴏᴠᴇʀᴇᴅ ɪɴ ᴅᴇᴡ ᴅʀᴏᴘs ʟɪᴇs ᴀ ᴅᴇᴄᴀᴅᴇs-ᴏʟᴅ ᴍʏsᴛᴇʀʏ: ᴡʜʏ ᴅᴏɴ'ᴛ ᴛʜᴇ ᴛɪɴʏ ᴅʀᴏᴘʟᴇᴛs ғᴀʟʟ ᴏғғ, ᴇᴠᴇɴ ᴡʜᴇɴ ᴛʜᴇ ғʟᴏᴡᴇʀ ɪs ᴛᴜʀɴᴇᴅ ᴜᴘsɪᴅᴇ ᴅᴏᴡɴ?
Tʜᴇ ʙᴇᴀᴅɪɴɢ ᴏғ ᴡᴀᴛᴇʀ ᴅʀᴏᴘʟᴇᴛs ᴏɴ ɴᴀᴛᴜʀᴀʟ ᴍᴀᴛᴇʀɪᴀʟs ɪs ɴᴏᴛ ᴀ ʀᴀʀᴇ ᴛʜɪɴɢ. Bᴜᴛ ᴏɴ ᴍᴀɴʏ ғʟᴏᴡᴇʀs ᴀɴᴅ ʟᴇᴀᴠᴇs ᴛʜᴇ ᴅʀᴏᴘʟᴇᴛs sʟɪᴅᴇ ᴏғғ ᴡɪᴛʜ ᴛʜᴇ sʟɪɢʜᴛᴇsᴛ ᴛʀᴇᴍʙʟᴇ, ᴛᴀᴋɪɴɢ ᴅᴜsᴛ ᴀɴᴅ sᴍᴀʟʟ ɪɴsᴇᴄᴛs ᴏғғ ᴡɪᴛʜ ᴛʜᴇᴍ. Tʜᴇ ᴇғғᴇᴄᴛ ɪs ᴋɴᴏᴡɴ ʙʏ ʙɪᴏʟᴏɢɪsᴛs ᴀs ‘sᴇʟғ ᴄʟᴇᴀɴɪɴɢ’ ᴀɴᴅ ʜᴀs ʙᴇᴇɴ ᴡᴇʟʟ sᴛᴜᴅɪᴇᴅ ʙʏ ʀᴇsᴇᴀʀᴄʜᴇʀs ᴋᴇᴇɴ ᴛᴏ ᴍᴀᴋᴇ ʙᴇᴛᴛᴇʀ ᴡᴀᴛᴇʀ-ʀᴇᴘᴇʟʟᴇɴᴛ ᴍᴀᴛᴇʀɪᴀʟs. Tʜᴇ ᴡᴀᴛᴇʀ sʟɪᴅᴇs ᴏғғ ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ sᴜʀғᴀᴄᴇs ᴀʀᴇ ᴠᴇʀʏ ʀᴏᴜɢʜ ᴀɴᴅ sᴘɪᴋʏ ᴀᴛ ᴛʜᴇ ᴍɪᴄʀᴏsᴄᴏᴘɪᴄ sᴄᴀʟᴇ, ᴀɴᴅ ᴛʜᴇ ᴛɪᴘs ᴏғ ᴛʜᴇ sᴘɪᴋᴇs ᴀʀᴇ ᴄᴏᴠᴇʀᴇᴅ ɪɴ ᴡᴀx. Tʜᴇ ᴡᴀᴛᴇʀ ᴍᴏʟᴇᴄᴜʟᴇs ᴛʜᴇʀᴇғᴏʀᴇ ᴄᴏᴍᴇ ɪɴᴛᴏ ᴄᴏɴᴛᴀᴄᴛ ᴡɪᴛʜ ᴏɴʟʏ ᴀ ᴛɪɴʏ ғʀᴀᴄᴛɪᴏɴ ᴏғ ᴛʜᴇ sᴜʀғᴀᴄᴇ, ᴀɴᴅ ᴛʜᴇɴ ᴏɴʟʏ ᴛᴏ ᴡᴀᴛᴇʀ-ʀᴇᴘᴇʟʟɪɴɢ ᴡᴀx.
ᴀʟᴛʜᴏᴜɢʜ ʀᴏsᴇ ᴘᴇᴛᴀʟs ᴀʀᴇ ᴄᴏᴀᴛᴇᴅ ᴡɪᴛʜ sɪᴍɪʟᴀʀ ᴘʀᴏᴊᴇᴄᴛɪᴏɴs, ᴛʜᴇʏ ʜᴀᴠᴇ ᴡɪᴅᴇ, ɢᴇɴᴛʟᴇ-sʟᴏᴘɪɴɢ ᴛʀᴏᴜɢʜs ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ sᴘɪᴋᴇs, ᴀɴᴅ ɴᴏ ᴡᴀx. ᴛʜᴇ sᴘɪᴋᴇs ᴋᴇᴇᴘ ᴛʜᴇ ᴅᴇᴡ ᴅʀᴏᴘs ɪɴ ᴀ sᴘʜᴇʀɪᴄᴀʟ sʜᴀᴘᴇ.
(ɪɴғᴏʀᴍᴀᴛɪᴏɴ ʙʏ ᴍᴀᴛᴛ ᴋᴀᴘʟᴀɴ ᴏɴ ɴᴀᴛᴜʀᴇ.ᴄᴏᴍ)
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