Answer:
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I direct you from outer space.
I am so delicate that even mentioning me breaks me. What am I?
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?