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The upper atmosphere of the Sun is dominated by plasma filled magnetic loops (coronal loops) whose temperature and pressure vary over a wide range. The appearance of coronal loops follows the emergence of magnetic flux, which is generated by dynamo processes inside the Sun. Emerging flux regions (EFRs) appear when magnetic flux bundles emerge from the solar interior through the photosphere and into the upper atmosphere (chromosphere and the corona). The characteristic feature of EFR is the Ω-shaped loops (created by the magnetic buoyancy/Parker instability), they appear as developing bipolar sunspots in magnetograms, and as arch filament systems in Hα. EFRs interact with pre-existing magnetic fields in the corona and produce small flares (plasma heating) and collimated plasma jets. The GIFs above show multiple energetic jets in three different wavelengths. The light has been colorized in red, green and blue, corresponding to three coronal temperature regimes ranging from ~0.8Mk to 2MK.
Image Credit: SDO/U. Aberystwyth
by: Jason Fenmore
It also takes art to restore old paintings that look like scabs...
ᴋᴀᴡᴀʜ ɪᴊᴇɴ (ʙʟᴜᴇ ᴠᴏʟᴄᴀɴᴏ) ɪɴᴅᴏɴᴇsɪᴀ
ᴛᴜʀǫᴜᴏɪsᴇ ɪᴄᴇ: ʟᴀᴋᴇ ʙᴀɪᴋᴀʟ-ʀᴜssɪᴀ
sᴜᴘᴇʀᴄᴇʟʟ sᴛᴏʀᴍ
ɢʀᴇᴇɴ ғʟᴀsʜ sᴜɴsᴇᴛ
sɴᴏᴡ ᴄʜɪᴍɴᴇʏ: ᴍᴏᴜɴᴛ ᴇʀʙᴜs-ᴀɴᴛᴀʀᴛɪᴄᴀ
sᴋʏ ᴘᴜɴᴄʜ
sᴛʀɪᴘᴇᴅ ɪᴄᴇʙᴇʀɢs:ᴀɴᴛᴀʀᴛɪᴄᴀ
ʟɪɢʜᴛ ᴘɪʟʟᴀʀs
sᴀʟᴀʀ ᴅᴇ ᴜʏᴜɴɪ (ʀᴇғʟᴇᴄᴛɪɴɢ ᴅᴇsᴇʀᴛ) ʙᴏʟɪᴠɪᴀ
ᴍᴀᴇʟsᴛʀᴏᴍ
ᴇʏᴇ ᴏғ sᴀʜᴀʀᴀ:ᴍᴀᴜʀɪᴛᴀɴɪᴀ
ғɪʀᴇ ʀᴀɪɴʙᴏᴡ
ᴘᴏʀᴏʀᴏᴄᴀ (ɴᴇᴠᴇʀ ᴇɴᴅɪɴɢ ᴡᴀᴠᴇ) ᴀᴍᴀᴢᴏɴ ʀɪᴠᴇʀ-ʙʀᴀᴢɪʟ
ᴀᴜʀᴏʀᴀ ʙᴏʀᴇᴀʟɪs
ɢʀᴇᴀᴛ ʙʟᴜᴇ ʜᴏʟᴇ:ʙᴇʟɪᴢᴇ
ʀᴀɪɴʙᴏᴡ ᴇᴜᴄᴀʟʏᴘᴛᴜs ᴛʀᴇᴇs
sᴛᴏɴᴇ ғᴏʀᴇsᴛ:ᴍᴀᴅᴀɢᴀsᴄᴀʀ
ᴄᴀᴛᴀᴛᴜᴍʙᴏ ʟɪɢʜᴛɴɪɴɢ (ɴᴇᴠᴇʀᴇɴᴅɪɴɢ sᴛᴏʀᴍ) ᴠᴇɴᴇᴢᴜᴇʟᴀ
ᴍᴀᴍᴍᴀᴛᴜs ᴄʟᴏᴜᴅs
ᴡʜɪᴛᴇ ʀᴀɪɴʙᴏᴡ
ᴜɴᴅᴇʀᴡᴀᴛᴇʀ ᴄʀᴏᴘ ᴄɪʀᴄʟᴇs
ʙɪᴏʟᴜᴍɪɴᴇsᴄᴇɴᴛ ᴡᴀᴠᴇs
ᴍᴏʀɴɪɴɢ ɢʟᴏʀʏ ᴄʟᴏᴜᴅs
ᴠᴏʟᴄᴀɴɪᴄ ʟɪɢʜᴛɪɴɢ
ɴᴀᴄʀᴇᴏᴜs ᴄʟᴏᴜᴅs
ʀᴀɪɴʙᴏᴡ ᴍᴏᴜɴᴛᴀɪɴs:ᴄʜɪɴᴀ
ʟᴇɴᴛɪᴄᴜʟᴀʀ ᴄʟᴏᴜᴅ
La avioneta decidió volar sola.