Home > Astronomy, Cosmology, General Astronomy > UCSC Scientists Capture First Cosmic Web Filaments At Keck Observator

UCSC Scientists Capture First Cosmic Web Filaments At Keck Observator


CREDIT: S. CANTALUPO (UCSC); JOEL PRIMACK (UCSC); ANATOLY KLYPIN (NMSU)

CREDIT: S. CANTALUPO (UCSC); JOEL PRIMACK (UCSC); ANATOLY KLYPIN (NMSU)

Astronomers have discovered a distant quasar illuminating a vast nebula of diffuse gas, revealing for the first time part of the network of filaments thought to connect galaxies in a cosmic web. Researchers at the University of California, Santa Cruz, led the study, published January 19 in the journal, Nature.

Using the 10-meter Keck I telescope at the W. M. Keck Observatory in Hawaii, the researchers detected a very large, luminous nebula of gas extending about 2 million light-years across intergalactic space.

“This is a very exceptional object: it’s huge, at least twice as large as any nebula detected before, and it extends well beyond the galactic environment of the quasar,” said Sebastiano Cantalupo, first author of the paper and a postdoctoral fellow at UC Santa Cruz.

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