When did the first stars start shining? 400 million OR 400 billion years ago?

When did the first stars start shining? 400 million OR 400 billion years ago?

Question: 7387212When did the first stars start shining? 400 million OR 400 billion years ago?Answer:According to Wilkinson Microwave Anisotropy Probe (WMAP), the first stars beganshining about…