The universe is 13.73 billion years old. What happened during its first trillionth of a trillionth of a second? Astronomers are excited about new measurements of the oldest available light. A satellite launched in 2001 has provided new information about the origin of the universe, including its age and its earliest activity. Gary Hinshaw, an astrophysicist with NASA's Goddard Space Flight Center, is a team member of "W" Map program, or the Wilkinson Microwave Anisotropy Probe.
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