Question on 'energy' body

[Euphoric Sunrise]

I've just finished writing a metaphysics essay on the relationship between mind and body and a couple of questions arose while i was writing it. I'm new to this kind of thing so please excuse my ignorance.

Is the body people astral travel with actually energy? I've heard it isn't, and that it's ether, but i wanted to make sure before i submit my essay.

Secondly, if this body is actually energy, does it have anything to do with the energy system (chakras etc.)?

Thirdly, i just have to make sure that the energy body is physical. Since i have done energy work and can actually feel the energy, and energy undoubtedly exists, i have stated that the energy body is part of the physical body. I just need to make sure that's fact.

Thanks []