"Rho Oph is a complex made up of a large main cloud of molecular hydrogen,
a key molecule allowing new stars to form from cold cosmic gas,
with two long streamers trailing off in different directions.
Recent studies using the latest X-ray and infrared observations
reveal more than 300 young stellar objects
within the large central cloud.
Their median age is only 300,000 years,
very young compared to some of the universe's oldest stars,
which are more than 12 billion years old. "
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