From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.
Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...
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CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back ...
Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...
18 小时
来自MSNSpectacular Jet Over 200,000 Light-Years Across Is Largest Ever Seen In The Early UniverseGalaxies in a quasar state can release powerful jets from their active supermassive black holes. The jets can extend far into ...
Making use of the Gemini North telescope, one half of the International Gemini Observatory, funded in part by the U.S.
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New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.
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