quasars

Latest about quasars

hubble quasars snacking

Most Black Holes Are Cosmic Snackers Instead of Binge Eaters

By Space.com Staff published

Black holes more commonly eat many small meals rather than a single huge feast, a study found.

Black Holes
gravitational lens SDSSJ1226-0006

Distant Galaxies Confirm Accelerating Growth of Universe, Dark Energy

By Clara Moskowitz published

New observations through cosmic magnifying glasses support the idea that the universe's expansion is accelerating.

Cosmology
distant starburst galaxies early universe

Most Massive Galaxies Had Frenzied Star-Forming Pasts

By Space.com Staff published

Astronomers found a link between active starburst galaxies in the early universe to giant elliptical galaxies we see today.

Cosmology
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Astronomers Find Brightest Object of Early Universe

By Charles Q. Choi published

The super-bright galaxy ULAS J1120+0641 is also the most distant quasar ever seen.

Cosmology
A zoomed-in view of a slice of the three-dimensional map of the universe. Red areas have more gas; blue areas have less gas. The black scale bar in the bottom right measures 1 billion light-years.

Largest 3-D Map Opens Window to the Ancient Universe

By Charles Q. Choi published

The largest-ever three-dimensional map of the distance universe has been created using quasars.

Cosmology
Artist’s concept of the environment around the supermassive black hole at the center of Mrk 231. The broad outflow seen in the Gemini data is shown as the fan-shaped wedge at the top of the accretion disk around the black hole. The total amount of materia

Ravenous Giant Black Holes Can Stunt Their Own Growth

By Space.com Staff published

The giant black hole at the heart of galaxy Markarian 231 kicks up a flood of material — behavior that starves the black hole and limits star formation.

Black Holes
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First Measurement of Earth's Inner Magnetism Made

By Live Science Staff published

Geophysics milestone may point to source of the inner planet's roiling energy.

Planet Earth
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