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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.

Portrait of a young galaxy challenged our understanding of galaxy formation

Space
Portrait of young galaxy throws theory of galaxy formation on its head.

A new method of planet formation identified

Space
Scientists have suggested a new explanation for the abundance in intermediate-mass exoplanets – a long-standing puzzle in astronomy.

Dark matter halo discovered around the ancient dwarf galaxy

Space
Findings suggest the first galaxies in the universe were more massive than previously thought.

Study suggests the possible existence of ‘stupendously large black holes’

Space
A recent study suggests the possible existence of ‘stupendously large black holes’ or SLABS, even larger than the supermassive black holes already observed in the centres of galaxies.

Astronomers discovered 8292 stellar streams in Milky Way

Space
Its nearly 500 stars were born at the same time.

Super-Earth discovered near one of the oldest stars in the galaxy

Space
The hot planet orbits its star twice during every Earth day.

Study uncovers key details of the black hole when three galaxies collide

Space
Galaxies hit singles, doubles, and a triple.

This typical massive star-forming galaxy is about to die

Space
This is the first time we have observed a typical massive star-forming galaxy in the distant Universe about to ‘die’.

Astronomers agreed that the universe is nearly 14 billion years old

Space
A new view of nature’s oldest light adds a twist to debate over the universe’s age.

Astronomers discovered a new supercluster

Space
Optical and X-ray data suggest that it is a triple merging system with a double merger and a pre-merger.

Astronomers discovered 591 high-velocity stars

Space
43 of them can even escape from the Galaxy.

Most distant blazar ever detected

Space
A blazar in the early universe.
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