Galaxy
A galaxy is any of the systems of stars and interstellar matter that make up the universe. A galaxy is composed of stars, stellar remnants, interstellar gas, dust, and dark matter that are all held together by gravity.
Nature has provided an immensely varied array of galaxies, ranging from faint, diffuse dwarf objects to brilliant spiral-shaped giants.
Hubble snaps a finely detailed image of the eye of a colorful galaxy
This multicolor image of NGC 1097 is composed of images using seven different filters in total.
Hubble showcases a peculiar pair of galaxies
The image contains data from three separate Hubble observing proposals.
The cosmic web plays a much bigger role than previously thought
The cosmic web orchestrates the progression of galaxies.
Most detailed images of the largest cosmic shock waves ever observed
It provides so far unique insights into the structure of cosmic shock waves.
Hubble captured a space triangle
A spectacular head-on collision between two galaxies creates an unusual space triangle.
Largest radio galaxy discovered 3 billion light-years away
The finding disproves some long-kept hypotheses about the growth of radio galaxies.
A thick ring of cosmic dust and gas hiding a supermassive black hole
The European Southern Observatory's Very Large Telescope Interferometer (ESO's VLTI) has observed a cloud of cosmic dust at the centre of the galaxy Messier...
Hubble captures a cosmic interaction
It is rare to capture an image of two galaxies interacting in such a visibly dynamic way.