Astronomers reveal eclipsing absorber in active galaxy NGC 6814

A research team led by Prof. Wang Junxian and Ph.D. students Kang Jialai from University of Science and Technology of China (USTC) of the Chinese Academy of Science (CAS) has revealed a marvelous, composite eclipsing absorber ...

Has JWST finally found the first stars in the universe?

In astronomy, elements other than hydrogen and helium are called metals. While that might make your high-school chemistry teacher cringe, it makes sense for astronomers. The two lightest elements were the first to appear ...

An X-ray look at the heart of powerful quasars

Researchers have observed the X-ray emission of the most luminous quasar seen in the last 9 billion years of cosmic history, known as SMSS J114447.77-430859.3, or J1144 for short. The new perspective sheds light on the inner ...

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