So,
1.- What is the size of this unknown object?
2.- What is it made of?
3.- How far from earth is the unknown object?
4.- Is this object flat?
5.- Why cant we see it?
6.- Is there any evidence for this object?
1. Same size as the moon.
2. Same stuff as the moon.
3. Same distance as the moon.
4. Same shape as the moon.
5. You can see it, it's black.
6. The evidence is Lunar eclipses.
It's remarkably easy to find, go out at night and look up at the sky, see that dark patch. That's the shadow object.