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An extremely bright and distant celestial object with massive radio emissions, powered by gas accreting onto a supermassive black hole.

The thermal radiation left over from the time of recombination in Big Bang cosmology, observed as a uniform radio signal across the sky.

A highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation observed as repeating pulses of radio waves.

A star that emits strong radio waves, typically caused by intense magnetic fields or emission from stellar companions like pulsars.

A type of neutron star with an extremely powerful magnetic field, which generates radio emissions when energy from the magnetic field is released.

A large, low-density cloud of partially ionized gas in which star formation takes place; emits radio waves due to the recombination of electrons with protons and other ionized atoms.

A cold, dense cloud of gas and dust where molecules form, emitting radio waves primarily due to rotational transitions in molecules like CO.

The twinkling of radio sources caused by turbulence in the interstellar medium, affecting the radio waves as they travel towards Earth.

A type of galaxy that emits strong radio waves, believed to be caused by a supermassive black hole at the galaxy's center accelerating particles within jets.

The remains of a supernova explosion, emitting radio waves due to shockwave acceleration of particles and interaction with the interstellar medium.

The central region of a galaxy that is extremely bright in electromagnetic radiation, with radio emissions due to jets and accretion processes near a supermassive black hole.