Browsing: Active Galactic Nuclei

Galaxies are vast cosmic structures composed of billions or trillions of stars, gas, dust, and…

The galaxy cluster in the Hubble Deep Field (HDF) is one of the most distant…

Galaxies are vast collections of stars, gas, and dust held together by gravity. They come…

The Chandra X-ray Observatory is a space telescope launched by NASA in 1999 to study…

Radio astronomy, a branch of astronomy that studies celestial objects through their radio emissions, requires…

The James Webb Space Telescope (JWST), a marvel of modern astrophysics, has revolutionized our understanding…