Listed below are two hypothetical observations that are not predicted by the Big Bang theory. For each one, imagine what would happen if it were actually observed--whether it could be explained with the existing Big Bang theory, could be explained with a revision to the Big Bang theory, or would force us to abandon the Big Bang theory. Explain your reasoning. Hypothetical observation 1: a galaxy at a distance of 10 billion light-years whose spectrum is blueshifted Hypothetical observation 2: a galaxy containing 90% hydrogen and 10% helium