quasar

Quasars are the highly energetic cores of distant galaxies.

Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .

Scientists study quasars to learn more about the early universe.

Astronomers use powerful telescopes to observe quasars in distant galaxies.

Quasars emit intense radiation and are among the brightest objects in the universe.

The discovery of quasars revolutionized our understanding of the cosmos.

Some quasars are billions of light-years away from Earth.

Quasars are powered by supermassive black holes at the centers of galaxies.

The light from quasars can help astronomers study the composition of interstellar gas.

Quasars are believed to play a crucial role in galaxy formation and evolution.

The energy output of quasars can outshine entire galaxies.

Quasars are fascinating objects that continue to intrigue scientists and astronomers.