Oldest quasars ever discovered add to ‘perplexing’ space mystery
Astronomers using the Euclid space telescope have discovered 31 quasars, including the two oldest ever observed, dating back to when the universe was 670 million years old. These findings challenge existing models of early galaxy formation and supermassive black hole growth.
Why it matters
The discovery of massive, early-universe quasars forces scientists to rethink how quickly black holes and galaxies formed after the Big Bang.
More powerful telescopes allow astronomers to see further back in time.
The article is a standard scientific report based on published astronomical findings.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in