Solution-Find the current proper distance, comoving distance

Find the current proper distance, comoving distance

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1. Consider a flat universe with only matter.

(a) Prove that ε=ε_e,0a^-3, where ε_e,0 is the critical density today.

(b) Prove that a(t) = (t/t0)^2/3.

(c) Find the current proper distance, comoving distance, luminosity distance, an angular diameter distance to a galaxy at redshift z.

(d) Find the horizon distance.

(e) Find the age of the Universe in terms of H0.

(f) Find the maximum angular diameter distance of the Universe.

Reference no: EM13952458

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Find the current proper distance, comoving distance

Reference no: EM13952458

Reference no: EM13952458

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