Can Conformal Weyl Gravity be a Viable Cosmology?

[sourena]

Can Conformal Weyl Gravity be considered a viable cosmological theory?

 

[Chalnoth]

Can Conformal Weyl Gravity be considered a viable cosmological theory?

It's, um, not a cosmological theory. It's a theory of gravity. But it appears it's ruled out by observations within our own solar system regardless of this pedantic point:
http://arxiv.org/abs/astro-ph/0605504