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Very Large Array - a radio astronomy observatory located in central New Mexico, consisting of 27 independent antennas.

Kuiper Belt Object - an object in the Kuiper Belt, which is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune.

Cosmic Microwave Background - radiation leftover from the early universe, providing evidence of the Big Bang.

Atacama Large Millimeter/submillimeter Array - an international partnership of Europe, North America, and East Asia in cooperation with the Republic of Chile.

James Webb Space Telescope - a space telescope developed by NASA with contributions from ESA and CSA, designed to be the premier observatory of the next decade.

Sloan Digital Sky Survey - a project which has created the most detailed three-dimensional maps of the universe.

Gamma-Ray Burst - a highly energetic explosion that has been observed in distant galaxies, emitting intense gamma rays.

Massive Compact Halo Objects - hypothetical objects composed of normal baryonic matter that could be responsible for the gravitational effects attributed to dark matter.

Infrared Astronomical Satellite - an observatory that was the first to place a telescope in space to observe the universe in infrared.

Search for Extraterrestrial Intelligence - a scientific effort aimed at detecting intelligent life outside Earth.

Transiting Exoplanet Survey Satellite - a space telescope for NASA's Explorers program, designed to search for exoplanets using the transit method.

High Energy Stereoscopic System - an array of telescopes designed to detect and study cosmic gamma rays.

Active Galactic Nucleus - a region at the center of some galaxies that is extremely bright and emits radiation across the spectrum.

Very Long Baseline Interferometry - a type of astronomical interferometry used in radio astronomy.

International Astronomical Union - an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

Wilkinson Microwave Anisotropy Probe - a space mission that measured differences in the temperature of the CMB across the sky.

Laser Interferometer Gravitational-Wave Observatory - a large-scale physics experiment and observatory to detect cosmic gravitational waves.

Far-Infrared - a region of the infrared spectrum of electromagnetic radiation with longer wavelengths.

Global Astrometric Interferometer for Astrophysics - a European Space Agency (ESA) mission designed to chart a three-dimensional map of our Galaxy, the Milky Way.