Taxation without representation simply means that people are being taxed without being allowed to have an elected official present in the body that makes the tax laws (in this case that body would be Parliament)--meaning that the people being taxed have no say in what types of taxes are fair or not. The colonists viewed this as tyrannical and morally wrong.
Marbury v. Madison is important because it established the power of judicial review for the U.S. Supreme Court and lower federal courts with respect to the Constitution and eventually for parallel state courts with respect to state constitutions.
Answer: Between about 47,000 years and 9.8 billion years after the Big Bang, the energy density of matter exceeded both the energy density of radiation and the vacuum energy density.
