Showing results for "quasars"

• plural of quasar.

quasars

Cultural  

1. The most distant galaxies seen from the Earth, believed to be the first stage in the evolution of galaxies. The name is short for “quasi-stellar radio source.”

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quasars

Its work in tracking spacecraft in the early space race, and its research into quasars, pulsars and gravitational lenses, is also part of its outstanding scientific heritage.

From BBC ● Sep. 1, 2026

Although GPS satellites are U.S.-owned military hardware, the reference frame relies on an international patchwork of aging radio-telescopes staring at quasars, laser-ranging stations and physical ground markers anchored to shifting tectonic plates.

From The Wall Street Journal ● Aug. 7, 2026

So scientists anchor the world’s coordinates to far-off stillness: quasars, the luminous cores of galaxies billions of light-years away, observed nightly by radio telescopes across multiple continents and cross-checked with lasers bounced off satellites.

From The Wall Street Journal ● Aug. 7, 2026

Among the 31 newly discovered quasars, 14 have redshifts of 7 or greater.

From Science Daily ● Jul. 9, 2026

In considering the quasars, we confront profound mysteries.

From "Cosmos" by Carl Sagan