On Astro Knights Island, you wait for a platform to come down to a level so that you can jump onto it. However, the 6th platform never gets lower than the 5th, so you should jump when both platforms are moving rapidly down. The 6th platform should fall right under you.
Astro Knights
The phoenix is on the jungle planet
the jungle planet is in space on astro knights island.
Green.
There are no cubes on Astro Knights island. There are ice floes on the Ice Planet, that you jump across to avoid the robot fish.
The Laser Lance.
No. Although there is a red planet, it is the Fire Planet and is not intended to be Mars.
go to ice or fire planet but fire is the hardest
It is on the Fire Planet. The Fire Planet's coordinates are 83, 20.
You do not get or use a bucket on Astro Knights Island.
This means you have already completed the Arturus part of Astro Knights Island. Your spaceship should be parked on top of the castle if you return to the planet.
At the top of the ice mountain.