All of these feats are by attacks at or below Thanos level (except Phoenix). The strongest attack Juggernaut has taken and tanked is the Godblast. He got KO'ed by the Phoenix, he seemed to get damaged bad by a casual eyeblast from the Stranger when it split, and Onslaught made him look like a normal human. After that no attack even comes close to Thanos level. But let's look at some of the times he's been injured. I will state when he's weakened, but other than that, full power. And this is ignoring New Warriors where some controversy arises.
With that said, let's see if Thanos has the mustard to hurt or knock Juggernaut out.
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MenUnlimited40-39.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MenUnlimited40-40.jpg
^
Proof that was Classic
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MenUnlimited40-33.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MenForever5p18.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN322_08b.jpg
^
Proof it was physical
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN322_15a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN218_14b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN217_14b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN217_15b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN194_13a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN194_14b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN102_13b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Men054p20.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Force03-20.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Force004-0708.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Force004-09.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/WWH_Xmen_3_0025.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/VenomTheMadness03_17.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/VenomTheMadness03_18.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/TASM629012.jpg
^
Showing he was physically damaged and likely physically knocked out by this:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/TASM627023.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Avengers_v3_024_17a.jpg
He stated in the next page he wasn't hurt by this, but we can clearly see him screaming in pain so...
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Deadpool_LS2_02_pg18.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/DrStrange-18213.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/DrStrange-18214-15.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/GenerationX061-05.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Hulk404_10b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Hulk404_14a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/sm16-17.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Spider-Woman038-10.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Spider-Woman038-19.jpg
Teleportation:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Force004-18.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Force_005-01.jpg
Eighth Day Juggernaut:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/jug_8th_day_p30.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/jug_8th_day_p33.jpg
Here's his shield being overloaded and him being stunned.
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN033_13b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN033_14a.jpg
I'll file these next couple under the "maybe/probably hurt" folder, as well as combine it with talking about how hard Juggernaut was hit section:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MenForever6p02and03.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN217_17a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN194_11a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-MEN183_15b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/X-Force03-19.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderstrike02-16.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderstrike02-17.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderstrike02-18.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderstrike02-19.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Deadpool_LS2_02_pg22.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Hulk403_17a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Hulk457_11b.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Hulk457_12a.jpg
^
He laid there for 5 pages
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Hulk457_16a.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thor_vol2-519-017-21.jpg
And here's two things that indicate a limit to his stamina.
"Last ounce of strength"
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/jug_8th_day_p36.jpg
"I can feel him weakening" (also can be filed under probably hurt considering he was weakening under it and was hurt previously by a lesser shot)
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/GenerationX061-06.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/GenerationX061-07.jpg
Phoenix:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/phoenixresurrectionrevelations-1_06-07.jpg
He was weaker there admittedly (which will flow into the next thing), but not by much. His durability at the time:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/AllNewExilesv1001p18.jpg
And about how powerful the enchantment was at the time he became Kuurth. Well, let's hear the level it was on:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb14510.jpg
And his durability that would have simply stacked with Kuurth's.
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb14623.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb14624.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb14823.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb14905.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15023.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15024.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15029.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15031.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15032.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15219.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15311.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15315.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15316.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15318.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/tb15319.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderbolts156014.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderbolts157005.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Thunderbolts157006.jpg
Here's Kuurth and a stronger dose of Juggernaut than Thunderbolts Juggy got (coupled with Colossus) hurting each other immensely. Which we assume his durability will stack with the above T-Bolts Juggy.
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Uncanny_X-Men_543_0010.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Uncanny_X-Men_543_0012.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Uncanny_X-Men_543_0013.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Uncanny_X-Men_543_0014.jpg
Kuurth was likely to die in the explosion:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/Uncanny_X-Men_543_0015.jpg
Amped Wolverine:
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/FearItself7026.jpg
Now here's FP Kuurth getting hurt by Magneto crushing his helmet and seemingly getting hurt by having his blood boiled.
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/UCX_0016.jpg
http://i118.photobucket.com/albums/o106/bigbran1/juggernaut/UXM_542_015.jpg
Thanos wins. "lowball" but needed. At the very least it shows Thanos can damage Juggernaut, unlike the zero high feats that say he can't.