Reflecting telescopes use a curved mirror, known as a primary mirror, to focus light and form an image. This design allows for larger apertures and reduces chromatic aberration, making them ideal for observing faint and distant objects.

The Gran Telescopio Canarias (GTC) is the largest optical telescope in the world, located on the Canary Islands, Spain. It has a primary mirror diameter of 10.4 meters (34 feet) and is capable of observing extremely faint objects in the universe.

Radio telescopes are designed to detect and study radio waves emitted by celestial objects. They consist of large parabolic dishes or arrays of smaller antennas that collect radio signals and convert them into images and data.

Astronomical observatories are facilities equipped with telescopes, instruments, and other equipment for observing celestial objects. They allow astronomers to study stars, planets, galaxies, and other cosmic phenomena.

The Hubble Space Telescope (HST) is a space telescope that has revolutionized our understanding of the universe. It has provided stunning images of deep space, distant galaxies, and celestial objects, helping astronomers unravel the mysteries of the cosmos.

Adaptive optics systems are used in astronomy to correct for distortions caused by atmospheric turbulence, which can degrade the quality of images obtained from telescopes. By adjusting the shape of the telescope's mirror in real time, adaptive optics systems help improve image resolution and clarity.

Infrared telescopes are designed to detect and study infrared radiation emitted by celestial objects. They are particularly useful for observing cool objects like planets, dust clouds, and regions of star formation, which emit significant amounts of infrared radiation.

A spectrograph is an instrument used in astronomy to analyze the spectrum of light emitted or absorbed by celestial objects. By studying the spectral lines, astronomers can determine the chemical composition, temperature, and other properties of stars, planets, and galaxies.

The James Webb Space Telescope (JWST) is a next-generation space telescope designed to study the early universe and the formation of the first stars and galaxies. With its powerful infrared capabilities, the JWST will explore the mysteries of the cosmos and provide unprecedented insights into the history of the universe.

An interferometer is a device used in astronomy to combine the light from multiple telescopes or antennas to achieve a higher resolution. By combining the signals from individual telescopes, interferometers can create images with finer detail and sensitivity, allowing astronomers to study distant objects with greater precision.

X-ray telescopes are designed to detect and study X-ray emissions from celestial objects. They are particularly useful for observing high-energy phenomena such as black holes, neutron stars, and supernova remnants, which emit significant amounts of X-rays.

A coronagraph is an instrument used in astronomy to block out the bright light from a star, allowing astronomers to study faint objects like planets or comets that are close to the star. By creating an artificial eclipse, a coronagraph enables the detection and characterization of exoplanets and other objects that would otherwise be hidden by the glare of the host star.

The Chandra X-ray Observatory (CXO) is a space telescope designed to study X-ray emissions from celestial objects. It has revolutionized our understanding of black holes, neutron stars, supernova remnants, and other high-energy phenomena, providing valuable insights into the most extreme and energetic processes in the universe.

A photometer is an instrument used in astronomy to measure the brightness or intensity of light emitted or reflected by celestial objects. By measuring the flux of light in different wavelengths, astronomers can determine the temperature, luminosity, and other properties of stars, planets, and galaxies.

Ultraviolet telescopes are designed to detect and study ultraviolet radiation emitted by celestial objects. They are particularly useful for observing hot stars, active galaxies, and regions of star formation, which emit significant amounts of ultraviolet radiation.