The Compton Gamma-Ray Observatory was a NASA mission dedicated to studying gamma-rays. It was launched in 1991 and operated until 2000, providing valuable insights into the high-energy universe.

The Fermi Gamma-ray Space Telescope is designed to study gamma-ray bursts, which are powerful explosions that release enormous amounts of energy. It has also made significant contributions to other areas of astrophysics, such as the study of pulsars and active galactic nuclei.

INTEGRAL is a gamma-ray observatory that was launched in 2002 as a joint mission between ESA and Roscosmos. It is designed to study high-energy phenomena in the universe, such as black holes, neutron stars, and supernovae.

NuSTAR is a NASA mission that was launched in 2013 to study high-energy X-rays and gamma-rays. It is designed to investigate the most extreme objects in the universe, such as black holes and neutron stars.

The Swift Gamma-Ray Burst Mission is a NASA mission that was launched in 2004 to study gamma-ray bursts and other transient phenomena. It is designed to rapidly respond to gamma-ray bursts and observe them in multiple wavelengths.

Insight-HXMT is a gamma-ray observatory that was launched by CNSA in 2018. It is designed to study high-energy phenomena in the universe, such as black holes, neutron stars, and supernovae.

LAT is the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope. It is known for its wide field of view and ability to detect faint gamma-ray sources, making it a powerful tool for studying the high-energy universe.

ASTRO-H is a gamma-ray observatory that was launched by JAXA in 2016. It is designed to study high-energy phenomena in the universe, such as black holes, neutron stars, and supernovae.

GLAST is the Gamma-ray Large Area Space Telescope, which was renamed to Fermi Gamma-ray Space Telescope after its launch in 2008. It is known for its ability to study gamma-rays in the sub-MeV energy range, making it a valuable tool for studying the early universe and other high-energy phenomena.

INTEGRAL is a gamma-ray observatory that was launched by ESA in 2002. It is designed to study high-energy phenomena in the universe, such as black holes, neutron stars, and supernovae.

LAT is the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope. It is known for its ability to study gamma-rays in the GeV energy range, making it a powerful tool for studying active galactic nuclei, pulsars, and other high-energy phenomena.

The Swift Gamma-Ray Burst Mission is a NASA mission that was launched in 2004 to study gamma-ray bursts and other transient phenomena. It is designed to rapidly respond to gamma-ray bursts and observe them in multiple wavelengths.

BAT is the Burst Alert Telescope aboard the Swift Gamma-Ray Burst Mission. It is known for its ability to study gamma-rays in the MeV energy range, making it a valuable tool for studying gamma-ray bursts and other transient phenomena.

AGILE is a gamma-ray observatory that was launched by ASI in 2005. It is designed to study high-energy phenomena in the universe, such as black holes, neutron stars, and supernovae.

CZT is the Cadmium Zinc Telluride Imager aboard the NuSTAR mission. It is known for its ability to study gamma-rays in the keV energy range, making it a valuable tool for studying black holes, neutron stars, and other compact objects.