Hardest Super Mario Galaxy 2 Green Stars

Do any of you viewers find these green stars hard or not? I don't know if this will be surprising to you people, but I don't have Boom Bunker Green Star 2 here. Reason: Never have had trouble on it at all.
The Top Ten
1 Rolling Coaster Galaxy - Green Star 1

Rolling Coaster Galaxy itself is hell

2 Melty Monster Galaxy - Green Star 3
3 Throwback Galaxy - Green Star 2

The problem is that you have to hurry and get up to the top to triple jump off the Whomp and grab the star. Otherwise you have to have him slam on the ground, when he gets back up, stand on his head, and then jump to the star. So frustrating

It's actually pretty easy, if you manage to master jumping on the whomp's head first

4 Stone Cyclone Galaxy - Green Star 1

Miss the precise triple jump and it's over

5 Slipsand Galaxy - Green Star 3

The star has to be on the VERY edge of the slide. If you miss, you either miss or die

6 Slipsand Galaxy - Green Star 2

You have to turn to the edge of the slide right after you land so you don't miss it. At least it's not on the very edge like Green Star 3

7 Wild Glide Galaxy - Green Star 2

Turning to the very right of the stage just to grab a star is so frustrating and annoying

8 Bowser's Galaxy Generator - Green Star 2

If you don't have at least 1 cloud when you see the star, you might not know how to get it unless you know the infinite yoshi flutter.

9 Flipsville Galaxy - Green Star 3
10 Freezy Flake Galaxy - Green Star 2

I hate this green star because if you miss it, it's over unless you get lucky

The Contenders
11 Shiverburn Galaxy - Green Star 3
12 Haunty Halls Galaxy - Green Star 1

I don't know if anyone has had trouble on this star, but I did. Always have to go slow when falling to this star. every time I try to go fast, I miss the star or bonk and die

13 Rightside Down Galaxy - Green Star 1
14 Boo Moon Galaxy - Green Star 1
15 Hightail Falls Galaxy - Green Star 3
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