Comets' heads can be green, but never their tails: After 90 years, we finally know why
- notFritzArgelander
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Comets' heads can be green, but never their tails: After 90 years, we finally know why
It strikes me as funny that folks complain that we haven't found dark matter in a lab yet..... Yet here we are waiting 90 years for a lab result on why comet tails aren't green.....
https://phys.org/news/2021-12-comets-gr ... years.html
https://phys.org/news/2021-12-comets-gr ... years.html
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Re: Comets' heads can be green, but never their tails: After 90 years, we finally know why
Neat story, thanks for sharing nFA.
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Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Comets' heads can be green, but never their tails: After 90 years, we finally know why
Made me wonder. What if life on earth didn't start with just the material around here? Could there have been a shower of meteorites with some unstable stuff, whose hitting the material here could have kicked "the ball in motion"?
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Senior Embedded SW Designer
Telescope: OrionOptics XV12, Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Grab 'n go: Omegon AC 102/660 on AZ-3 mount
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 12.5 mm Baader Morpheus, 10 mm TV Delos, 6 mm Baader Classic Ortho, 5 mm TV DeLite, 4 mm and 3 mm TV Radians
Cameras: ZWO ASI 294MM Pro, Omegon veLOX 178C
OAG: TS-Optics TSOAG09, ZWO EFW 7 x 36 mm, ZWO filter sets: LRGB and Ha/OIII/SII
Explore Scientific HR 2" coma corrector, Meade x3 1.25" Barlow, TV PowerMate 4x 2"
Some filters (#80A, ND-96, ND-09, Astronomik UHC)
Laptop: Acer Enduro Urban N3 semi-rugged, Windows 11
LAT 61° 28' 10.9" N, Bortle 5
I don't suffer from insanity. I'm enjoying every minute of it.
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