A schematic of an iconic celestial object. To see what it is, and a couple of other amazing nebula cousins, in full visible wavelength glory, go below the fold.
The Eskimo Nebula give a preview of what kind of glorious spectacle our sun might transform into in its old age.
The reconstructed structure of the Eskimo Nebula revealing the classic two-lob stellar remnant.
Perhaps the most exquisite planetary nebula of all: the Cat’s Eye.
The same Cat’s Eye in wide view optical wavelengths showing the golden halo surrounding the glittering multihued jewel at its center. Note the image appears inverted from the one above and below.
Complex structure of the factors at work in the center of the Cat’s Eye Nebula
for anyone who’s as puzzled as I used to be: when William Herschel discovered planetary nebulae with an 18th century telescope, they looked like planets. That’s where the name comes from. Luckily for us, optics have improved since then.
StevoR : Free West Papua, free Tibet, let the Chagossians return! says
Superb. Shared. Cheers. :-)
embertine says
Holy FSM that’s beautiful.
sheila says
Thanks. I love planetary nebulae!
for anyone who’s as puzzled as I used to be: when William Herschel discovered planetary nebulae with an 18th century telescope, they looked like planets. That’s where the name comes from. Luckily for us, optics have improved since then.