Soon, Tom, who was still in his pyjamas, and the spies arrived at a secret room inside the building. The spacious room was quite empty, except for a black door with a golden plate on it, which was located at the other side of the room.
"This must be the legendary 'Door of Babylon'," said Tom as he walked towards the door. "This is alien technology invented by the Galileans that can lead you anywhere instantly. This was what the Galileans used to transport themselves to Earth. This technology is still currently unachievable by humans, as it's practically a wormhole that can bend the curvature of time and....."
"OMG, you mean like the Anywhere Door in Doraemon?" enquired Claire. "That's soooo cool! I've always wanted to know what it feels like to go through one of those."
"Well, you'll know what it feels like soon," answered Tom. "As you'll have to go through this door to Mercury - the planet that is closest to the Sun - which is the place they have placed their machine that is absorbing the Sun's energy. Your mission is to destroy that machine, and hopefully, that way, it will return all the energy back to the Sun. That machine is a very complicated device that is unafraid of the Sun's extreme heat, and can transfer heat energy to stored chemical energy......Wait! What are you doing?" Before Tom has finished, the spies have started to turn the golden plate on the door to open it.
"I thought you said we don't have time for all this nonsense, Tom," responded Eliza. "So, hurry up and tell us how to open this thing."
"Well, unfortunately, I am not sure either," replied Tom, shrugging. "It looks like the Galileans, in fear of any human beings ruining their plan, have locked the door. The lock consists of very complicated combination of....."